89510091 has 8 divisors (see below), whose sum is σ = 130196544. Its totient is φ = 54248520.

The previous prime is 89510087. The next prime is 89510107. The reversal of 89510091 is 19001598.

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

It is not a de Polignac number, because 89510091 - 2² = 89510087 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 2712427 = 89510091 / (8 + 9 + 5 + 1 + 0 + 0 + 9 + 1).

It is not an unprimeable number, because it can be changed into a prime (89510591) 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, 1356181 + ... + 1356246.

It is an arithmetic number, because the mean of its divisors is an integer number (16274568).

Almost surely, 2^89510091 is an apocalyptic number.

89510091 is a deficient number, since it is larger than the sum of its proper divisors (40686453).

89510091 is a wasteful number, since it uses less digits than its factorization.

89510091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2712441.

The product of its (nonzero) digits is 3240, while the sum is 33.

The square root of 89510091 is about 9460.9772751022. The cubic root of 89510091 is about 447.3258538188.

The spelling of 89510091 in words is "eighty-nine million, five hundred ten thousand, ninety-one".