97813806 has 8 divisors (see below), whose sum is σ = 195627624. Its totient is φ = 32604600.

The previous prime is 97813787. The next prime is 97813811. The reversal of 97813806 is 60831879.

It is a sphenic number, since it is the product of 3 distinct primes.

97813806 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8151145 + ... + 8151156.

It is an arithmetic number, because the mean of its divisors is an integer number (24453453).

Almost surely, 2^97813806 is an apocalyptic number.

97813806 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

97813806 is a wasteful number, since it uses less digits than its factorization.

97813806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16302306.

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 97813806 is about 9890.0862483600. The cubic root of 97813806 is about 460.7514592032.

The spelling of 97813806 in words is "ninety-seven million, eight hundred thirteen thousand, eight hundred six".