89619388643 has 8 divisors (see below), whose sum is σ = 92659268400. Its totient is φ = 86612021280.

The previous prime is 89619388609. The next prime is 89619388673. The reversal of 89619388643 is 34688391698.

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

It is not a de Polignac number, because 89619388643 - 2²⁸ = 89350953187 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 89619388643.

It is not an unprimeable number, because it can be changed into a prime (89619388673) 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, 8122493 + ... + 8133518.

It is an arithmetic number, because the mean of its divisors is an integer number (11582408550).

Almost surely, 2^89619388643 is an apocalyptic number.

89619388643 is a deficient number, since it is larger than the sum of its proper divisors (3039879757).

89619388643 is a wasteful number, since it uses less digits than its factorization.

89619388643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16256197.

The product of its digits is 53747712, while the sum is 65.

The spelling of 89619388643 in words is "eighty-nine billion, six hundred nineteen million, three hundred eighty-eight thousand, six hundred forty-three".