97902575220 has 48 divisors (see below), whose sum is σ = 274141179648. Its totient is φ = 26106023040.

The previous prime is 97902575209. The next prime is 97902575231. The reversal of 97902575220 is 2257520979.

It is an interprime number because it is at equal distance from previous prime (97902575209) and next prime (97902575231).

It is a self number, because there is not a number n which added to its sum of digits gives 97902575220.

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, 1878757 + ... + 1930163.

It is an arithmetic number, because the mean of its divisors is an integer number (5711274576).

Almost surely, 2^97902575220 is an apocalyptic number.

It is an amenable number.

97902575220 is an abundant number, since it is smaller than the sum of its proper divisors (176238604428).

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

97902575220 is a wasteful number, since it uses less digits than its factorization.

97902575220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83160 (or 83158 counting only the distinct ones).

The product of its (nonzero) digits is 793800, while the sum is 48.

The spelling of 97902575220 in words is "ninety-seven billion, nine hundred two million, five hundred seventy-five thousand, two hundred twenty".