6857030855 has 16 divisors (see below), whose sum is σ = 8479646784. Its totient is φ = 5319755520.

The previous prime is 6857030839. The next prime is 6857030879. The reversal of 6857030855 is 5580307586.

It is not a de Polignac number, because 6857030855 - 2⁴ = 6857030839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65912 + ... + 134381.

It is an arithmetic number, because the mean of its divisors is an integer number (529977924).

Almost surely, 2^6857030855 is an apocalyptic number.

6857030855 is a deficient number, since it is larger than the sum of its proper divisors (1622615929).

6857030855 is a wasteful number, since it uses less digits than its factorization.

6857030855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200506.

The product of its (nonzero) digits is 1008000, while the sum is 47.

The square root of 6857030855 is about 82807.1908411341. The cubic root of 6857030855 is about 1899.8181594210.

The spelling of 6857030855 in words is "six billion, eight hundred fifty-seven million, thirty thousand, eight hundred fifty-five".