97864737 has 8 divisors (see below), whose sum is σ = 134695680. Its totient is φ = 63138480.

The previous prime is 97864691. The next prime is 97864751. The reversal of 97864737 is 73746879.

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

It is not a de Polignac number, because 97864737 - 2⁶ = 97864673 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 97864737.

It is not an unprimeable number, because it can be changed into a prime (97864777) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 526062 + ... + 526247.

It is an arithmetic number, because the mean of its divisors is an integer number (16836960).

Almost surely, 2^97864737 is an apocalyptic number.

It is an amenable number.

97864737 is a deficient number, since it is larger than the sum of its proper divisors (36830943).

97864737 is a wasteful number, since it uses less digits than its factorization.

97864737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1052343.

The product of its digits is 1778112, while the sum is 51.

The square root of 97864737 is about 9892.6607644253. The cubic root of 97864737 is about 460.8314154035.

The spelling of 97864737 in words is "ninety-seven million, eight hundred sixty-four thousand, seven hundred thirty-seven".