88917489 has 24 divisors (see below), whose sum is σ = 131032512. Its totient is φ = 58091040.

The previous prime is 88917481. The next prime is 88917529. The reversal of 88917489 is 98471988.

It is not a de Polignac number, because 88917489 - 2³ = 88917481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (88917481) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 144747 + ... + 145359.

It is an arithmetic number, because the mean of its divisors is an integer number (5459688).

Almost surely, 2^88917489 is an apocalyptic number.

It is an amenable number.

88917489 is a deficient number, since it is larger than the sum of its proper divisors (42115023).

88917489 is a wasteful number, since it uses less digits than its factorization.

88917489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 917 (or 914 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 54.

The square root of 88917489 is about 9429.6070437744. The cubic root of 88917489 is about 446.3364928974.

The spelling of 88917489 in words is "eighty-eight million, nine hundred seventeen thousand, four hundred eighty-nine".