97561249610 has 64 divisors (see below), whose sum is σ = 201328516224. Its totient is φ = 33715180800.

The previous prime is 97561249601. The next prime is 97561249619. The reversal of 97561249610 is 1694216579.

It is an interprime number because it is at equal distance from previous prime (97561249601) and next prime (97561249619).

It is not an unprimeable number, because it can be changed into a prime (97561249619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 103721 + ... + 453740.

It is an arithmetic number, because the mean of its divisors is an integer number (3145758066).

Almost surely, 2^97561249610 is an apocalyptic number.

97561249610 is an abundant number, since it is smaller than the sum of its proper divisors (103767266614).

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

97561249610 is a wasteful number, since it uses less digits than its factorization.

97561249610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557559.

The product of its (nonzero) digits is 816480, while the sum is 50.

The spelling of 97561249610 in words is "ninety-seven billion, five hundred sixty-one million, two hundred forty-nine thousand, six hundred ten".