6857015802 has 72 divisors (see below), whose sum is σ = 17274737376. Its totient is φ = 1808430624.

The previous prime is 6857015761. The next prime is 6857015831. The reversal of 6857015802 is 2085107586.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 19318 + ... + 118689.

It is an arithmetic number, because the mean of its divisors is an integer number (239926908).

Almost surely, 2^6857015802 is an apocalyptic number.

6857015802 is an abundant number, since it is smaller than the sum of its proper divisors (10417721574).

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

6857015802 is a wasteful number, since it uses less digits than its factorization.

6857015802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138052 (or 138032 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 42.

The square root of 6857015802 is about 82807.0999492193. The cubic root of 6857015802 is about 1899.8167692186.

The spelling of 6857015802 in words is "six billion, eight hundred fifty-seven million, fifteen thousand, eight hundred two".