80387876 has 12 divisors (see below), whose sum is σ = 140884380. Its totient is φ = 40135200.

The previous prime is 80387869. The next prime is 80387887. The reversal of 80387876 is 67878308.

It can be written as a sum of positive squares in 2 ways, for example, as 67240000 + 13147876 = 8200^2 + 3626^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 80387876.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11531 + ... + 17138.

It is an arithmetic number, because the mean of its divisors is an integer number (11740365).

Almost surely, 2^80387876 is an apocalyptic number.

It is an amenable number.

80387876 is a deficient number, since it is larger than the sum of its proper divisors (60496504).

80387876 is a wasteful number, since it uses less digits than its factorization.

80387876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29374 (or 29372 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 47.

The square root of 80387876 is about 8965.9286189441. The cubic root of 80387876 is about 431.5821935018.

The spelling of 80387876 in words is "eighty million, three hundred eighty-seven thousand, eight hundred seventy-six".