80523851984 has 10 divisors (see below), whose sum is σ = 156014963250. Its totient is φ = 40261925984.

The previous prime is 80523851971. The next prime is 80523851999. The reversal of 80523851984 is 48915832508.

It can be written as a sum of positive squares in only one way, i.e., 79339115584 + 1184736400 = 281672^2 + 34420^2 .

It is a super-2 number, since 2×80523851984² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 2516370359 + ... + 2516370390.

It is an arithmetic number, because the mean of its divisors is an integer number (15601496325).

Almost surely, 2^80523851984 is an apocalyptic number.

It is an amenable number.

80523851984 is a deficient number, since it is larger than the sum of its proper divisors (75491111266).

80523851984 is a wasteful number, since it uses less digits than its factorization.

80523851984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5032740757 (or 5032740751 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 53.

The spelling of 80523851984 in words is "eighty billion, five hundred twenty-three million, eight hundred fifty-one thousand, nine hundred eighty-four".