82878881496 has 32 divisors (see below), whose sum is σ = 208587798000. Its totient is φ = 27440881280.

The previous prime is 82878881483. The next prime is 82878881509. The reversal of 82878881496 is 69418887828.

It is an interprime number because it is at equal distance from previous prime (82878881483) and next prime (82878881509).

It is a super-2 number, since 2×82878881496² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 82878881496.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11584635 + ... + 11591786.

Almost surely, 2^82878881496 is an apocalyptic number.

It is an amenable number.

82878881496 is an abundant number, since it is smaller than the sum of its proper divisors (125708916504).

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

82878881496 is a wasteful number, since it uses less digits than its factorization.

82878881496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23176579 (or 23176575 counting only the distinct ones).

The product of its digits is 99090432, while the sum is 69.

The spelling of 82878881496 in words is "eighty-two billion, eight hundred seventy-eight million, eight hundred eighty-one thousand, four hundred ninety-six".