97297684238 has 8 divisors (see below), whose sum is σ = 146331610680. Its totient is φ = 48520480680.

The previous prime is 97297684207. The next prime is 97297684241. The reversal of 97297684238 is 83248679279.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64179773 + ... + 64181288.

It is an arithmetic number, because the mean of its divisors is an integer number (18291451335).

Almost surely, 2^97297684238 is an apocalyptic number.

97297684238 is a deficient number, since it is larger than the sum of its proper divisors (49033926442).

97297684238 is a wasteful number, since it uses less digits than its factorization.

97297684238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128361442.

The product of its digits is 73156608, while the sum is 65.

It can be divided in two parts, 9729 and 7684238, that added together give a palindrome (7693967).

The spelling of 97297684238 in words is "ninety-seven billion, two hundred ninety-seven million, six hundred eighty-four thousand, two hundred thirty-eight".