82648028464 has 20 divisors (see below), whose sum is σ = 165652299360. Its totient is φ = 39899048000.

The previous prime is 82648028453. The next prime is 82648028501. The reversal of 82648028464 is 46482084628.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89059912 + ... + 89060839.

It is an arithmetic number, because the mean of its divisors is an integer number (8282614968).

Almost surely, 2^82648028464 is an apocalyptic number.

It is an amenable number.

82648028464 is an abundant number, since it is smaller than the sum of its proper divisors (83004270896).

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

82648028464 is a wasteful number, since it uses less digits than its factorization.

82648028464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178120788 (or 178120782 counting only the distinct ones).

The product of its (nonzero) digits is 4718592, while the sum is 52.

The spelling of 82648028464 in words is "eighty-two billion, six hundred forty-eight million, twenty-eight thousand, four hundred sixty-four".