6857127408 has 40 divisors (see below), whose sum is σ = 17717758848. Its totient is φ = 2285255872.

The previous prime is 6857127377. The next prime is 6857127413. The reversal of 6857127408 is 8047217586.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 304141 + ... + 325907.

Almost surely, 2^6857127408 is an apocalyptic number.

It is an amenable number.

6857127408 is an abundant number, since it is smaller than the sum of its proper divisors (10860631440).

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

6857127408 is a wasteful number, since it uses less digits than its factorization.

6857127408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28341 (or 28335 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 48.

The square root of 6857127408 is about 82807.7738379677. The cubic root of 6857127408 is about 1899.8270764137.

The spelling of 6857127408 in words is "six billion, eight hundred fifty-seven million, one hundred twenty-seven thousand, four hundred eight".