82147015902 has 32 divisors (see below), whose sum is σ = 198809586432. Its totient is φ = 22089953664.

The previous prime is 82147015897. The next prime is 82147015913. The reversal of 82147015902 is 20951074128.

It is a congruent number.

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, 57525208 + ... + 57526635.

It is an arithmetic number, because the mean of its divisors is an integer number (6212799576).

Almost surely, 2^82147015902 is an apocalyptic number.

82147015902 is an abundant number, since it is smaller than the sum of its proper divisors (116662570530).

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

82147015902 is a wasteful number, since it uses less digits than its factorization.

82147015902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115051872.

The product of its (nonzero) digits is 40320, while the sum is 39.

The spelling of 82147015902 in words is "eighty-two billion, one hundred forty-seven million, fifteen thousand, nine hundred two".