80897187582 has 12 divisors (see below), whose sum is σ = 175277239800. Its totient is φ = 26965729188.

The previous prime is 80897187577. The next prime is 80897187589. The reversal of 80897187582 is 28578179808.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80897187589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2247144082 + ... + 2247144117.

It is an arithmetic number, because the mean of its divisors is an integer number (14606436650).

Almost surely, 2^80897187582 is an apocalyptic number.

80897187582 is an abundant number, since it is smaller than the sum of its proper divisors (94380052218).

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

80897187582 is a wasteful number, since it uses less digits than its factorization.

80897187582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4494288207 (or 4494288204 counting only the distinct ones).

The product of its (nonzero) digits is 18063360, while the sum is 63.

The spelling of 80897187582 in words is "eighty billion, eight hundred ninety-seven million, one hundred eighty-seven thousand, five hundred eighty-two".