89151491 has 8 divisors (see below), whose sum is σ = 104737584. Its totient is φ = 74812320.

The previous prime is 89151479. The next prime is 89151499. The reversal of 89151491 is 19415198.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 89151491 - 2¹⁸ = 88889347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89151499) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 311576 + ... + 311861.

It is an arithmetic number, because the mean of its divisors is an integer number (13092198).

Almost surely, 2^89151491 is an apocalyptic number.

89151491 is a deficient number, since it is larger than the sum of its proper divisors (15586093).

89151491 is a wasteful number, since it uses less digits than its factorization.

89151491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623461.

The product of its digits is 12960, while the sum is 38.

The square root of 89151491 is about 9442.0067252677. The cubic root of 89151491 is about 446.7276875743.

The spelling of 89151491 in words is "eighty-nine million, one hundred fifty-one thousand, four hundred ninety-one".