97516899 has 16 divisors (see below), whose sum is σ = 144627840. Its totient is φ = 64940040.

The previous prime is 97516897. The next prime is 97516907. The reversal of 97516899 is 99861579.

It is not a de Polignac number, because 97516899 - 2¹ = 97516897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (97516891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37264 + ... + 39794.

It is an arithmetic number, because the mean of its divisors is an integer number (9039240).

Almost surely, 2^97516899 is an apocalyptic number.

97516899 is a deficient number, since it is larger than the sum of its proper divisors (47110941).

97516899 is a wasteful number, since it uses less digits than its factorization.

97516899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3967 (or 3961 counting only the distinct ones).

The product of its digits is 1224720, while the sum is 54.

The square root of 97516899 is about 9875.0645061184. The cubic root of 97516899 is about 460.2847937124.

The spelling of 97516899 in words is "ninety-seven million, five hundred sixteen thousand, eight hundred ninety-nine".