82415547768 has 32 divisors (see below), whose sum is σ = 206072415360. Its totient is φ = 27467376480.

The previous prime is 82415547757. The next prime is 82415547791. The reversal of 82415547768 is 86774551428.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127380 + ... + 425507.

It is an arithmetic number, because the mean of its divisors is an integer number (6439762980).

Almost surely, 2^82415547768 is an apocalyptic number.

It is an amenable number.

82415547768 is an abundant number, since it is smaller than the sum of its proper divisors (123656867592).

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

82415547768 is a wasteful number, since it uses less digits than its factorization.

82415547768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559107 (or 559103 counting only the distinct ones).

The product of its digits is 15052800, while the sum is 57.

The spelling of 82415547768 in words is "eighty-two billion, four hundred fifteen million, five hundred forty-seven thousand, seven hundred sixty-eight".