97574489916 has 12 divisors (see below), whose sum is σ = 227673809832. Its totient is φ = 32524829968.

The previous prime is 97574489899. The next prime is 97574489917. The reversal of 97574489916 is 61998447579.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97574489917) 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, 4065603735 + ... + 4065603758.

It is an arithmetic number, because the mean of its divisors is an integer number (18972817486).

Almost surely, 2^97574489916 is an apocalyptic number.

It is an amenable number.

97574489916 is an abundant number, since it is smaller than the sum of its proper divisors (130099319916).

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

97574489916 is a wasteful number, since it uses less digits than its factorization.

97574489916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8131207500 (or 8131207498 counting only the distinct ones).

The product of its digits is 137168640, while the sum is 69.

The spelling of 97574489916 in words is "ninety-seven billion, five hundred seventy-four million, four hundred eighty-nine thousand, nine hundred sixteen".