97796913 has 4 divisors (see below), whose sum is σ = 130395888. Its totient is φ = 65197940.

The previous prime is 97796899. The next prime is 97796927. The reversal of 97796913 is 31969779.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (97796899) and next prime (97796927).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97796913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (97796983) 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, 16299483 + ... + 16299488.

It is an arithmetic number, because the mean of its divisors is an integer number (32598972).

Almost surely, 2^97796913 is an apocalyptic number.

It is an amenable number.

97796913 is a deficient number, since it is larger than the sum of its proper divisors (32598975).

97796913 is a wasteful number, since it uses less digits than its factorization.

97796913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32598974.

The product of its digits is 642978, while the sum is 51.

The square root of 97796913 is about 9889.2321744410. The cubic root of 97796913 is about 460.7249328778.

The spelling of 97796913 in words is "ninety-seven million, seven hundred ninety-six thousand, nine hundred thirteen".