97447616 has 28 divisors (see below), whose sum is σ = 220998288. Its totient is φ = 41763072.

The previous prime is 97447583. The next prime is 97447631. The reversal of 97447616 is 61674479.

It is a tau number, because it is divible by the number of its divisors (28).

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, 108311 + ... + 109206.

It is an arithmetic number, because the mean of its divisors is an integer number (7892796).

Almost surely, 2^97447616 is an apocalyptic number.

It is an amenable number.

97447616 is an abundant number, since it is smaller than the sum of its proper divisors (123550672).

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

97447616 is a wasteful number, since it uses less digits than its factorization.

97447616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217536 (or 217526 counting only the distinct ones).

The product of its digits is 254016, while the sum is 44.

The square root of 97447616 is about 9871.5559057324. Note that the first 3 decimals coincide. The cubic root of 97447616 is about 460.1757614422.

The spelling of 97447616 in words is "ninety-seven million, four hundred forty-seven thousand, six hundred sixteen".