97814688 has 24 divisors (see below), whose sum is σ = 256763808. Its totient is φ = 32604864.

The previous prime is 97814681. The next prime is 97814693. The reversal of 97814688 is 88641879.

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 97814688.

It is not an unprimeable number, because it can be changed into a prime (97814681) 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, 509356 + ... + 509547.

It is an arithmetic number, because the mean of its divisors is an integer number (10698492).

Almost surely, 2^97814688 is an apocalyptic number.

It is an amenable number.

97814688 is an abundant number, since it is smaller than the sum of its proper divisors (158949120).

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

97814688 is a wasteful number, since it uses less digits than its factorization.

97814688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1018916 (or 1018908 counting only the distinct ones).

The product of its digits is 774144, while the sum is 51.

The square root of 97814688 is about 9890.1308383661. The cubic root of 97814688 is about 460.7528440846.

The spelling of 97814688 in words is "ninety-seven million, eight hundred fourteen thousand, six hundred eighty-eight".