97317878496 has 72 divisors (see below), whose sum is σ = 271370476440. Its totient is φ = 30531090432.

The previous prime is 97317878491. The next prime is 97317878509. The reversal of 97317878496 is 69487871379.

It is a self number, because there is not a number n which added to its sum of digits gives 97317878496.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97317878491) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1726111 + ... + 1781598.

It is an arithmetic number, because the mean of its divisors is an integer number (3769034395).

Almost surely, 2^97317878496 is an apocalyptic number.

97317878496 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

97317878496 is an abundant number, since it is smaller than the sum of its proper divisors (174052597944).

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

97317878496 is a wasteful number, since it uses less digits than its factorization.

97317878496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3507756 (or 3507731 counting only the distinct ones).

The product of its digits is 128024064, while the sum is 69.

The spelling of 97317878496 in words is "ninety-seven billion, three hundred seventeen million, eight hundred seventy-eight thousand, four hundred ninety-six".