80868571876 has 27 divisors (see below), whose sum is σ = 146598176361. Its totient is φ = 39032037744.

The previous prime is 80868571853. The next prime is 80868571897. The reversal of 80868571876 is 67817586808.

The square root of 80868571876 is 284374.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 42405517476 + 38463054400 = 205926^2 + 196120^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 16491241 + ... + 16496143.

Almost surely, 2^80868571876 is an apocalyptic number.

80868571876 is the 284374-th square number.

It is an amenable number.

80868571876 is a deficient number, since it is larger than the sum of its proper divisors (65729604485).

80868571876 is an frugal number, since it uses more digits than its factorization.

80868571876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9868 (or 4934 counting only the distinct ones).

The product of its (nonzero) digits is 36126720, while the sum is 64.

Multiplying 80868571876 by its sum of digits (64), we get a square (5175588600064 = 2274992²).

The spelling of 80868571876 in words is "eighty billion, eight hundred sixty-eight million, five hundred seventy-one thousand, eight hundred seventy-six".