82947879560 has 64 divisors (see below), whose sum is σ = 229701830400. Its totient is φ = 26251635456.

The previous prime is 82947879467. The next prime is 82947879577. The reversal of 82947879560 is 6597874928.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (65).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11390300 + ... + 11397579.

It is an arithmetic number, because the mean of its divisors is an integer number (3589091100).

Almost surely, 2^82947879560 is an apocalyptic number.

It is an amenable number.

82947879560 is an abundant number, since it is smaller than the sum of its proper divisors (146753950840).

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

82947879560 is a wasteful number, since it uses less digits than its factorization.

82947879560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22787910 (or 22787906 counting only the distinct ones).

The product of its (nonzero) digits is 60963840, while the sum is 65.

The spelling of 82947879560 in words is "eighty-two billion, nine hundred forty-seven million, eight hundred seventy-nine thousand, five hundred sixty".