4542390877 has 4 divisors (see below), whose sum is σ = 4665158236. Its totient is φ = 4419623520.

The previous prime is 4542390859. The next prime is 4542390889. The reversal of 4542390877 is 7780932454.

It is a happy number.

4542390877 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3107951001 + 1434439876 = 55749^2 + 37874^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4542390877 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4542390877.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4542390577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61383624 + ... + 61383697.

It is an arithmetic number, because the mean of its divisors is an integer number (1166289559).

Almost surely, 2^4542390877 is an apocalyptic number.

It is an amenable number.

4542390877 is a deficient number, since it is larger than the sum of its proper divisors (122767359).

4542390877 is a wasteful number, since it uses less digits than its factorization.

4542390877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122767358.

The product of its (nonzero) digits is 1693440, while the sum is 49.

The square root of 4542390877 is about 67397.2616431855. The cubic root of 4542390877 is about 1656.1315636264.

The spelling of 4542390877 in words is "four billion, five hundred forty-two million, three hundred ninety thousand, eight hundred seventy-seven".