97872267 has 4 divisors (see below), whose sum is σ = 130496360. Its totient is φ = 65248176.

The previous prime is 97872253. The next prime is 97872277. The reversal of 97872267 is 76227879.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 97872267 - 2⁴ = 97872251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97872217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16312042 + ... + 16312047.

It is an arithmetic number, because the mean of its divisors is an integer number (32624090).

Almost surely, 2^97872267 is an apocalyptic number.

97872267 is a deficient number, since it is larger than the sum of its proper divisors (32624093).

97872267 is a wasteful number, since it uses less digits than its factorization.

97872267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32624092.

The product of its digits is 592704, while the sum is 48.

The square root of 97872267 is about 9893.0413422769. The cubic root of 97872267 is about 460.8432343407.

The spelling of 97872267 in words is "ninety-seven million, eight hundred seventy-two thousand, two hundred sixty-seven".