97465309816 has 32 divisors (see below), whose sum is σ = 213711315840. Its totient is φ = 40799431008.

The previous prime is 97465309813. The next prime is 97465309817. The reversal of 97465309816 is 61890356479.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97465309811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20235406 + ... + 20240221.

It is an arithmetic number, because the mean of its divisors is an integer number (6678478620).

Almost surely, 2^97465309816 is an apocalyptic number.

It is an amenable number.

97465309816 is an abundant number, since it is smaller than the sum of its proper divisors (116246006024).

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

97465309816 is a wasteful number, since it uses less digits than its factorization.

97465309816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40475683 (or 40475679 counting only the distinct ones).

The product of its (nonzero) digits is 9797760, while the sum is 58.

The spelling of 97465309816 in words is "ninety-seven billion, four hundred sixty-five million, three hundred nine thousand, eight hundred sixteen".