63077893 has 4 divisors (see below), whose sum is σ = 63098028. Its totient is φ = 63057760.

The previous prime is 63077879. The next prime is 63077899. The reversal of 63077893 is 39877036.

63077893 is digitally balanced in base 2, 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 41705764 + 21372129 = 6458^2 + 4623^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63077893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63077899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4246 + ... + 12007.

It is an arithmetic number, because the mean of its divisors is an integer number (15774507).

Almost surely, 2^63077893 is an apocalyptic number.

It is an amenable number.

63077893 is a deficient number, since it is larger than the sum of its proper divisors (20135).

63077893 is a wasteful number, since it uses less digits than its factorization.

63077893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20134.

The product of its (nonzero) digits is 190512, while the sum is 43.

The square root of 63077893 is about 7942.1592152260. The cubic root of 63077893 is about 398.0696430405.

The spelling of 63077893 in words is "sixty-three million, seventy-seven thousand, eight hundred ninety-three".