88972571 has 4 divisors (see below), whose sum is σ = 89889912. Its totient is φ = 88055232.

The previous prime is 88972523. The next prime is 88972589. The reversal of 88972571 is 17527988.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-88972571 is a prime.

It is a super-2 number, since 2×88972571² = 15832236780700082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88972171) 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, 458525 + ... + 458718.

It is an arithmetic number, because the mean of its divisors is an integer number (22472478).

Almost surely, 2^88972571 is an apocalyptic number.

88972571 is a deficient number, since it is larger than the sum of its proper divisors (917341).

88972571 is an equidigital number, since it uses as much as digits as its factorization.

88972571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 917340.

The product of its digits is 282240, while the sum is 47.

The square root of 88972571 is about 9432.5272859399. The cubic root of 88972571 is about 446.4286383689.

The spelling of 88972571 in words is "eighty-eight million, nine hundred seventy-two thousand, five hundred seventy-one".