97689578120 has 64 divisors (see below), whose sum is σ = 220452261120. Its totient is φ = 38960342784.

The previous prime is 97689578093. The next prime is 97689578137. The reversal of 97689578120 is 2187598679.

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, 21313349 + ... + 21317931.

It is an arithmetic number, because the mean of its divisors is an integer number (3444566580).

Almost surely, 2^97689578120 is an apocalyptic number.

It is an amenable number.

97689578120 is an abundant number, since it is smaller than the sum of its proper divisors (122762683000).

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

97689578120 is a wasteful number, since it uses less digits than its factorization.

97689578120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6054 (or 6050 counting only the distinct ones).

The product of its (nonzero) digits is 15240960, while the sum is 62.

The spelling of 97689578120 in words is "ninety-seven billion, six hundred eighty-nine million, five hundred seventy-eight thousand, one hundred twenty".