97279616 has 32 divisors (see below), whose sum is σ = 221486880. Its totient is φ = 41690880.

The previous prime is 97279607. The next prime is 97279621. The reversal of 97279616 is 61697279.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53390 + ... + 55181.

It is an arithmetic number, because the mean of its divisors is an integer number (6921465).

Almost surely, 2^97279616 is an apocalyptic number.

It is an amenable number.

97279616 is an abundant number, since it is smaller than the sum of its proper divisors (124207264).

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

97279616 is a wasteful number, since it uses less digits than its factorization.

97279616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108592 (or 108580 counting only the distinct ones).

The product of its digits is 285768, while the sum is 47.

The square root of 97279616 is about 9863.0429381606. The cubic root of 97279616 is about 459.9111611677.

The spelling of 97279616 in words is "ninety-seven million, two hundred seventy-nine thousand, six hundred sixteen".