80477711532 has 144 divisors (see below), whose sum is σ = 215913690720. Its totient is φ = 25203916800.

The previous prime is 80477711507. The next prime is 80477711543. The reversal of 80477711532 is 23511777408.

80477711532 is a `hidden beast` number, since 8 + 0 + 47 + 7 + 71 + 1 + 532 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 75850282 + ... + 75851342.

It is an arithmetic number, because the mean of its divisors is an integer number (1499400630).

Almost surely, 2^80477711532 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 80477711532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107956845360).

80477711532 is an abundant number, since it is smaller than the sum of its proper divisors (135435979188).

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

80477711532 is a wasteful number, since it uses less digits than its factorization.

80477711532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1904 (or 1899 counting only the distinct ones).

The product of its (nonzero) digits is 329280, while the sum is 45.

The spelling of 80477711532 in words is "eighty billion, four hundred seventy-seven million, seven hundred eleven thousand, five hundred thirty-two".