88999231 has 4 divisors (see below), whose sum is σ = 92068200. Its totient is φ = 85930264.

The previous prime is 88999217. The next prime is 88999237. The reversal of 88999231 is 13299988.

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

It is a cyclic number.

It is not a de Polignac number, because 88999231 - 2⁷ = 88999103 is a prime.

It is a super-2 number, since 2×88999231² = 15841726237182722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88999237) 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, 1534441 + ... + 1534498.

It is an arithmetic number, because the mean of its divisors is an integer number (23017050).

Almost surely, 2^88999231 is an apocalyptic number.

88999231 is a deficient number, since it is larger than the sum of its proper divisors (3068969).

88999231 is a wasteful number, since it uses less digits than its factorization.

88999231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3068968.

The product of its digits is 279936, while the sum is 49.

The square root of 88999231 is about 9433.9403750501. The cubic root of 88999231 is about 446.4732236413.

The spelling of 88999231 in words is "eighty-eight million, nine hundred ninety-nine thousand, two hundred thirty-one".