89751479 has 8 divisors (see below), whose sum is σ = 93069312. Its totient is φ = 86460120.

The previous prime is 89751457. The next prime is 89751503. The reversal of 89751479 is 97415798.

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

It is a cyclic number.

It is not a de Polignac number, because 89751479 - 2¹⁶ = 89685943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89751379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 422 + ... + 13404.

It is an arithmetic number, because the mean of its divisors is an integer number (11633664).

Almost surely, 2^89751479 is an apocalyptic number.

89751479 is a deficient number, since it is larger than the sum of its proper divisors (3317833).

89751479 is a wasteful number, since it uses less digits than its factorization.

89751479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13237.

The product of its digits is 635040, while the sum is 50.

The square root of 89751479 is about 9473.7257190611. The cubic root of 89751479 is about 447.7276043265.

The spelling of 89751479 in words is "eighty-nine million, seven hundred fifty-one thousand, four hundred seventy-nine".