57807878811 has 16 divisors (see below), whose sum is σ = 79192345344. Its totient is φ = 37481841504.

The previous prime is 57807878801. The next prime is 57807878831. The reversal of 57807878811 is 11887870875.

It is not a de Polignac number, because 57807878811 - 2³⁴ = 40628009627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57807878801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173800 + ... + 381866.

It is an arithmetic number, because the mean of its divisors is an integer number (4949521584).

Almost surely, 2^57807878811 is an apocalyptic number.

57807878811 is a deficient number, since it is larger than the sum of its proper divisors (21384466533).

57807878811 is a wasteful number, since it uses less digits than its factorization.

57807878811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210610.

The product of its (nonzero) digits is 7024640, while the sum is 60.

The spelling of 57807878811 in words is "fifty-seven billion, eight hundred seven million, eight hundred seventy-eight thousand, eight hundred eleven".