2857640803875 has 192 divisors, whose sum is σ = 6407967646080. Its totient is φ = 1203710976000.

The previous prime is 2857640803867. The next prime is 2857640803877. The reversal of 2857640803875 is 5783080467582.

2857640803875 is a `hidden beast` number, since 2 + 85 + 76 + 408 + 0 + 3 + 87 + 5 = 666.

It is not a de Polignac number, because 2857640803875 - 2³ = 2857640803867 is a prime.

It is a super-2 number, since 2×2857640803875² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2857640803877) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 2212431 + ... + 3257319.

It is an arithmetic number, because the mean of its divisors is an integer number (33374831490).

Almost surely, 2^{2857640803875} is an apocalyptic number.

2857640803875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2857640803875 is an abundant number, since it is smaller than the sum of its proper divisors (3550326842205).

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

2857640803875 is a wasteful number, since it uses less digits than its factorization.

2857640803875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044951 (or 1044938 counting only the distinct ones).

The product of its (nonzero) digits is 90316800, while the sum is 63.

The spelling of 2857640803875 in words is "two trillion, eight hundred fifty-seven billion, six hundred forty million, eight hundred three thousand, eight hundred seventy-five".