97920608 has 24 divisors (see below), whose sum is σ = 193494672. Its totient is φ = 48779136.

The previous prime is 97920607. The next prime is 97920643. The reversal of 97920608 is 80602979.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97920601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3341 + ... + 14387.

It is an arithmetic number, because the mean of its divisors is an integer number (8062278).

Almost surely, 2^97920608 is an apocalyptic number.

It is an amenable number.

97920608 is a deficient number, since it is larger than the sum of its proper divisors (95574064).

97920608 is a wasteful number, since it uses less digits than its factorization.

97920608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11334 (or 11326 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 97920608 is about 9895.4842226139. The cubic root of 97920608 is about 460.9190949725.

The spelling of 97920608 in words is "ninety-seven million, nine hundred twenty thousand, six hundred eight".