97149242872 has 32 divisors (see below), whose sum is σ = 199656172800. Its totient is φ = 43949455200.

The previous prime is 97149242821. The next prime is 97149242873. The reversal of 97149242872 is 27824294179.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97149242873) 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, 2597472 + ... + 2634607.

It is an arithmetic number, because the mean of its divisors is an integer number (6239255400).

Almost surely, 2^97149242872 is an apocalyptic number.

It is an amenable number.

97149242872 is an abundant number, since it is smaller than the sum of its proper divisors (102506929928).

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

97149242872 is a wasteful number, since it uses less digits than its factorization.

97149242872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5232307 (or 5232303 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 55.

The spelling of 97149242872 in words is "ninety-seven billion, one hundred forty-nine million, two hundred forty-two thousand, eight hundred seventy-two".