80589398464 has 56 divisors (see below), whose sum is σ = 164900610000. Its totient is φ = 39057967104.

The previous prime is 80589398459. The next prime is 80589398471. The reversal of 80589398464 is 46489398508.

It is a super-2 number, since 2×80589398464² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (64).

It is a junction number, because it is equal to n+sod(n) for n = 80589398396 and 80589398405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138412 + ... + 424660.

It is an arithmetic number, because the mean of its divisors is an integer number (2944653750).

Almost surely, 2^80589398464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80589398464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82450305000).

80589398464 is an abundant number, since it is smaller than the sum of its proper divisors (84311211536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80589398464 is a wasteful number, since it uses less digits than its factorization.

80589398464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286397 (or 286387 counting only the distinct ones).

The product of its (nonzero) digits is 59719680, while the sum is 64.

The spelling of 80589398464 in words is "eighty billion, five hundred eighty-nine million, three hundred ninety-eight thousand, four hundred sixty-four".