97609689616 has 40 divisors (see below), whose sum is σ = 200300494680. Its totient is φ = 45920876544.

The previous prime is 97609689587. The next prime is 97609689623. The reversal of 97609689616 is 61698690679.

It can be written as a sum of positive squares in 4 ways, for example, as 761760000 + 96847929616 = 27600^2 + 311204^2 .

It is a hoax number, since the sum of its digits (67) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 939930 + ... + 1038598.

It is an arithmetic number, because the mean of its divisors is an integer number (5007512367).

Almost surely, 2^97609689616 is an apocalyptic number.

It is an amenable number.

97609689616 is an abundant number, since it is smaller than the sum of its proper divisors (102690805064).

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

97609689616 is a wasteful number, since it uses less digits than its factorization.

97609689616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102331 (or 102325 counting only the distinct ones).

The product of its (nonzero) digits is 52907904, while the sum is 67.

The spelling of 97609689616 in words is "ninety-seven billion, six hundred nine million, six hundred eighty-nine thousand, six hundred sixteen".