97297771080 has 64 divisors (see below), whose sum is σ = 307256126400. Its totient is φ = 24580488960.

The previous prime is 97297771069. The next prime is 97297771141. The reversal of 97297771080 is 8017779279.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a self number, because there is not a number n which added to its sum of digits gives 97297771080.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21334951 + ... + 21339510.

It is an arithmetic number, because the mean of its divisors is an integer number (4800876975).

Almost surely, 2^97297771080 is an apocalyptic number.

It is an amenable number.

97297771080 is an abundant number, since it is smaller than the sum of its proper divisors (209958355320).

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

97297771080 is a wasteful number, since it uses less digits than its factorization.

97297771080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42674494 (or 42674490 counting only the distinct ones).

The product of its (nonzero) digits is 3111696, while the sum is 57.

The spelling of 97297771080 in words is "ninety-seven billion, two hundred ninety-seven million, seven hundred seventy-one thousand, eighty".