57077908309 has 4 divisors (see below), whose sum is σ = 57078445216. Its totient is φ = 57077371404.

The previous prime is 57077908259. The next prime is 57077908361. The reversal of 57077908309 is 90380977075.

57077908309 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, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 57077908309 - 2²¹ = 57075811157 is a prime.

It is a super-2 number, since 2×57077908309² (a number of 22 digits) contains 22 as substring.

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 57077908309.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57077968309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49419 + ... + 341464.

It is an arithmetic number, because the mean of its divisors is an integer number (14269611304).

Almost surely, 2^57077908309 is an apocalyptic number.

It is an amenable number.

57077908309 is a deficient number, since it is larger than the sum of its proper divisors (536907).

57077908309 is a wasteful number, since it uses less digits than its factorization.

57077908309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536906.

The product of its (nonzero) digits is 3333960, while the sum is 55.

The spelling of 57077908309 in words is "fifty-seven billion, seventy-seven million, nine hundred eight thousand, three hundred nine".