97872154 has 24 divisors (see below), whose sum is σ = 155813760. Its totient is φ = 46100232.

The previous prime is 97872149. The next prime is 97872157. The reversal of 97872154 is 45127879.

It is a self number, because there is not a number n which added to its sum of digits gives 97872154.

It is not an unprimeable number, because it can be changed into a prime (97872157) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 204087 + ... + 204565.

It is an arithmetic number, because the mean of its divisors is an integer number (6492240).

Almost surely, 2^97872154 is an apocalyptic number.

97872154 is a deficient number, since it is larger than the sum of its proper divisors (57941606).

97872154 is a wasteful number, since it uses less digits than its factorization.

97872154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 802 (or 783 counting only the distinct ones).

The product of its digits is 141120, while the sum is 43.

The square root of 97872154 is about 9893.0356311903. The cubic root of 97872154 is about 460.8430569827.

The spelling of 97872154 in words is "ninety-seven million, eight hundred seventy-two thousand, one hundred fifty-four".