902615988972 has 18 divisors (see below), whose sum is σ = 2106111653548. Its totient is φ = 300870899288.

The previous prime is 902615988931. The next prime is 902615988983. The reversal of 902615988972 is 279889516209.

It is a happy number.

902615988972 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3153979 + ... + 3428237.

Almost surely, 2^902615988972 is an apocalyptic number.

It is an amenable number.

902615988972 is an abundant number, since it is smaller than the sum of its proper divisors (1203495664576).

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

902615988972 is an frugal number, since it uses more digits than its factorization.

902615988972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548525 (or 274264 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 66.

The spelling of 902615988972 in words is "nine hundred two billion, six hundred fifteen million, nine hundred eighty-eight thousand, nine hundred seventy-two".