6857051328 has 56 divisors (see below), whose sum is σ = 20158466160. Its totient is φ = 2285683200.

The previous prime is 6857051321. The next prime is 6857051329. The reversal of 6857051328 is 8231507586.

6857051328 is a `hidden beast` number, since 6 + 8 + 570 + 51 + 3 + 28 = 666.

It is not an unprimeable number, because it can be changed into a prime (6857051321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1982373 + ... + 1985828.

It is an arithmetic number, because the mean of its divisors is an integer number (359972610).

Almost surely, 2^6857051328 is an apocalyptic number.

It is an amenable number.

6857051328 is an abundant number, since it is smaller than the sum of its proper divisors (13301414832).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6857051328 is a wasteful number, since it uses less digits than its factorization.

6857051328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3968222 (or 3968206 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 45.

The square root of 6857051328 is about 82807.3144595331. The cubic root of 6857051328 is about 1899.8200501781.

The spelling of 6857051328 in words is "six billion, eight hundred fifty-seven million, fifty-one thousand, three hundred twenty-eight".