89609179493 has 8 divisors (see below), whose sum is σ = 89693472960. Its totient is φ = 89524923520.

The previous prime is 89609179487. The next prime is 89609179549. The reversal of 89609179493 is 39497190698.

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 89609179493 - 2⁴ = 89609179477 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 (89609179993) 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, 7082453 + ... + 7095093.

It is an arithmetic number, because the mean of its divisors is an integer number (11211684120).

Almost surely, 2^89609179493 is an apocalyptic number.

It is an amenable number.

89609179493 is a deficient number, since it is larger than the sum of its proper divisors (84293467).

89609179493 is a wasteful number, since it uses less digits than its factorization.

89609179493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18747.

The product of its (nonzero) digits is 26453952, while the sum is 65.

The spelling of 89609179493 in words is "eighty-nine billion, six hundred nine million, one hundred seventy-nine thousand, four hundred ninety-three".