80865552630 has 32 divisors (see below), whose sum is σ = 194119930368. Its totient is φ = 21559413600.

The previous prime is 80865552613. The next prime is 80865552637. The reversal of 80865552630 is 3625556808.

It is a self number, because there is not a number n which added to its sum of digits gives 80865552630.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80865552637) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155836 + ... + 431295.

It is an arithmetic number, because the mean of its divisors is an integer number (6066247824).

Almost surely, 2^80865552630 is an apocalyptic number.

80865552630 is an abundant number, since it is smaller than the sum of its proper divisors (113254377738).

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

80865552630 is a wasteful number, since it uses less digits than its factorization.

80865552630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591732.

The product of its (nonzero) digits is 1728000, while the sum is 48.

The spelling of 80865552630 in words is "eighty billion, eight hundred sixty-five million, five hundred fifty-two thousand, six hundred thirty".