97231538621 has 8 divisors (see below), whose sum is σ = 111123734400. Its totient is φ = 83339836848.

The previous prime is 97231538611. The next prime is 97231538629. The reversal of 97231538621 is 12683513279.

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

It is a cyclic number.

It is not a de Polignac number, because 97231538621 - 2³⁴ = 80051669437 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97231538629) 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, 525995 + ... + 686391.

It is an arithmetic number, because the mean of its divisors is an integer number (13890466800).

Almost surely, 2^97231538621 is an apocalyptic number.

It is an amenable number.

97231538621 is a deficient number, since it is larger than the sum of its proper divisors (13892195779).

97231538621 is a wasteful number, since it uses less digits than its factorization.

97231538621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247003.

The product of its digits is 544320, while the sum is 47.

The spelling of 97231538621 in words is "ninety-seven billion, two hundred thirty-one million, five hundred thirty-eight thousand, six hundred twenty-one".