97638711 has 8 divisors (see below), whose sum is σ = 130579584. Its totient is φ = 64895160.

The previous prime is 97638691. The next prime is 97638713. The reversal of 97638711 is 11783679.

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

It is not a de Polignac number, because 97638711 - 2⁹ = 97638199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97638713) 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, 48171 + ... + 50156.

It is an arithmetic number, because the mean of its divisors is an integer number (16322448).

Almost surely, 2^97638711 is an apocalyptic number.

97638711 is a deficient number, since it is larger than the sum of its proper divisors (32940873).

97638711 is a wasteful number, since it uses less digits than its factorization.

97638711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98661.

The product of its digits is 63504, while the sum is 42.

The square root of 97638711 is about 9881.2302371719. The cubic root of 97638711 is about 460.4763669420.

The spelling of 97638711 in words is "ninety-seven million, six hundred thirty-eight thousand, seven hundred eleven".