869058057 has 16 divisors (see below), whose sum is σ = 1340236800. Its totient is φ = 490620432.

The previous prime is 869058053. The next prime is 869058077. The reversal of 869058057 is 750850968.

It is not a de Polignac number, because 869058057 - 2² = 869058053 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 869057997 and 869058015.

It is not an unprimeable number, because it can be changed into a prime (869058053) 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, 247557 + ... + 251042.

It is an arithmetic number, because the mean of its divisors is an integer number (83764800).

Almost surely, 2^869058057 is an apocalyptic number.

It is an amenable number.

869058057 is a deficient number, since it is larger than the sum of its proper divisors (471178743).

869058057 is a wasteful number, since it uses less digits than its factorization.

869058057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498692.

The product of its (nonzero) digits is 604800, while the sum is 48.

The square root of 869058057 is about 29479.7906539378. The cubic root of 869058057 is about 954.2956190428.

The spelling of 869058057 in words is "eight hundred sixty-nine million, fifty-eight thousand, fifty-seven".