6395779620882 has 48 divisors (see below), whose sum is σ = 14339093198040. Its totient is φ = 2057876948736.

The previous prime is 6395779620847. The next prime is 6395779620899. The reversal of 6395779620882 is 2880269775936.

6395779620882 is a `hidden beast` number, since 6 + 395 + 77 + 96 + 2 + 0 + 8 + 82 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 6148262425761 + 247517195121 = 2479569^2 + 497511^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 6395779620882.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 421278 + ... + 3601254.

Almost surely, 2^{6395779620882} is an apocalyptic number.

6395779620882 is an abundant number, since it is smaller than the sum of its proper divisors (7943313577158).

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

6395779620882 is a wasteful number, since it uses less digits than its factorization.

6395779620882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3183867 (or 3183864 counting only the distinct ones).

The product of its (nonzero) digits is 548674560, while the sum is 72.

The spelling of 6395779620882 in words is "six trillion, three hundred ninety-five billion, seven hundred seventy-nine million, six hundred twenty thousand, eight hundred eighty-two".