4012789577 has 4 divisors (see below), whose sum is σ = 4023548100. Its totient is φ = 4002031056.

The previous prime is 4012789567. The next prime is 4012789579. The reversal of 4012789577 is 7759872104.

It is a happy number.

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 2021041936 + 1991747641 = 44956^2 + 44629^2 .

It is a cyclic number.

It is not a de Polignac number, because 4012789577 - 2³⁰ = 2939047753 is a prime.

It is a super-2 number, since 2×4012789577² = 32204960378559677858, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4012789579) 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, 5378702 + ... + 5379447.

It is an arithmetic number, because the mean of its divisors is an integer number (1005887025).

Almost surely, 2^4012789577 is an apocalyptic number.

It is an amenable number.

4012789577 is a deficient number, since it is larger than the sum of its proper divisors (10758523).

4012789577 is a wasteful number, since it uses less digits than its factorization.

4012789577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10758522.

The product of its (nonzero) digits is 987840, while the sum is 50.

The square root of 4012789577 is about 63346.5829938758. The cubic root of 4012789577 is about 1589.0911009937.

The spelling of 4012789577 in words is "four billion, twelve million, seven hundred eighty-nine thousand, five hundred seventy-seven".