97680812 has 6 divisors (see below), whose sum is σ = 170941428. Its totient is φ = 48840404.

The previous prime is 97680811. The next prime is 97680857. The reversal of 97680812 is 21808679.

It is a self number, because there is not a number n which added to its sum of digits gives 97680812.

It is not an unprimeable number, because it can be changed into a prime (97680811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12210098 + ... + 12210105.

It is an arithmetic number, because the mean of its divisors is an integer number (28490238).

Almost surely, 2^97680812 is an apocalyptic number.

It is an amenable number.

97680812 is a deficient number, since it is larger than the sum of its proper divisors (73260616).

97680812 is a wasteful number, since it uses less digits than its factorization.

97680812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24420207 (or 24420205 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 41.

The square root of 97680812 is about 9883.3603597157. The cubic root of 97680812 is about 460.5425419579.

The spelling of 97680812 in words is "ninety-seven million, six hundred eighty thousand, eight hundred twelve".