97316813 has 4 divisors (see below), whose sum is σ = 106163808. Its totient is φ = 88469820.

The previous prime is 97316809. The next prime is 97316827. The reversal of 97316813 is 31861379.

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 a cyclic number.

It is not a de Polignac number, because 97316813 - 2² = 97316809 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97316873) 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, 4423481 + ... + 4423502.

It is an arithmetic number, because the mean of its divisors is an integer number (26540952).

Almost surely, 2^97316813 is an apocalyptic number.

It is an amenable number.

97316813 is a deficient number, since it is larger than the sum of its proper divisors (8846995).

97316813 is a wasteful number, since it uses less digits than its factorization.

97316813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8846994.

The product of its digits is 27216, while the sum is 38.

The square root of 97316813 is about 9864.9284335975. The cubic root of 97316813 is about 459.9697727460.

The spelling of 97316813 in words is "ninety-seven million, three hundred sixteen thousand, eight hundred thirteen".