82880005957 has 24 divisors (see below), whose sum is σ = 101319969696. Its totient is φ = 67512499488.

The previous prime is 82880005927. The next prime is 82880005961. The reversal of 82880005957 is 75950008828.

It is a happy number.

It is not a de Polignac number, because 82880005957 - 2⁷ = 82880005829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82880005927) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 453603 + ... + 609520.

It is an arithmetic number, because the mean of its divisors is an integer number (4221665404).

Almost surely, 2^82880005957 is an apocalyptic number.

It is an amenable number.

82880005957 is a deficient number, since it is larger than the sum of its proper divisors (18439963739).

82880005957 is a wasteful number, since it uses less digits than its factorization.

82880005957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1063217 (or 1063210 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 52.

The spelling of 82880005957 in words is "eighty-two billion, eight hundred eighty million, five thousand, nine hundred fifty-seven".