82879899608 has 96 divisors (see below), whose sum is σ = 179313281280. Its totient is φ = 35817355200.

The previous prime is 82879899589. The next prime is 82879899629. The reversal of 82879899608 is 80699897828.

It is a congruent number.

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, 3706943 + ... + 3729233.

It is an arithmetic number, because the mean of its divisors is an integer number (1867846680).

Almost surely, 2^82879899608 is an apocalyptic number.

82879899608 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82879899608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89656640640).

82879899608 is an abundant number, since it is smaller than the sum of its proper divisors (96433381672).

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

82879899608 is a wasteful number, since it uses less digits than its factorization.

82879899608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22509 (or 22494 counting only the distinct ones).

The product of its (nonzero) digits is 250822656, while the sum is 74.

The spelling of 82879899608 in words is "eighty-two billion, eight hundred seventy-nine million, eight hundred ninety-nine thousand, six hundred eight".