97905616 has 20 divisors (see below), whose sum is σ = 190112832. Its totient is φ = 48844256.

The previous prime is 97905611. The next prime is 97905631. The reversal of 97905616 is 61650979.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97905611) 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, 921 + ... + 14023.

Almost surely, 2^97905616 is an apocalyptic number.

It is an amenable number.

97905616 is a deficient number, since it is larger than the sum of its proper divisors (92207216).

97905616 is a wasteful number, since it uses less digits than its factorization.

97905616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13578 (or 13572 counting only the distinct ones).

The product of its (nonzero) digits is 102060, while the sum is 43.

The square root of 97905616 is about 9894.7266763666. The cubic root of 97905616 is about 460.8955709772.

The spelling of 97905616 in words is "ninety-seven million, nine hundred five thousand, six hundred sixteen".