82916587880 has 32 divisors (see below), whose sum is σ = 213214083840. Its totient is φ = 28428544320.

The previous prime is 82916587861. The next prime is 82916587891. The reversal of 82916587880 is 8878561928.

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, 148065056 + ... + 148065615.

It is an arithmetic number, because the mean of its divisors is an integer number (6662940120).

Almost surely, 2^82916587880 is an apocalyptic number.

It is an amenable number.

82916587880 is an abundant number, since it is smaller than the sum of its proper divisors (130297495960).

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

82916587880 is a wasteful number, since it uses less digits than its factorization.

82916587880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296130689 (or 296130685 counting only the distinct ones).

The product of its (nonzero) digits is 15482880, while the sum is 62.

The spelling of 82916587880 in words is "eighty-two billion, nine hundred sixteen million, five hundred eighty-seven thousand, eight hundred eighty".