80077892 has 12 divisors (see below), whose sum is σ = 140212716. Its totient is φ = 40017120.

The previous prime is 80077883. The next prime is 80077901. The reversal of 80077892 is 29877008.

It is an interprime number because it is at equal distance from previous prime (80077883) and next prime (80077901).

It can be written as a sum of positive squares in 2 ways, for example, as 7929856 + 72148036 = 2816^2 + 8494^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5042 + ... + 13622.

It is an arithmetic number, because the mean of its divisors is an integer number (11684393).

Almost surely, 2^80077892 is an apocalyptic number.

It is an amenable number.

80077892 is a deficient number, since it is larger than the sum of its proper divisors (60134824).

80077892 is a wasteful number, since it uses less digits than its factorization.

80077892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10918 (or 10916 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 41.

The square root of 80077892 is about 8948.6251457975. The cubic root of 80077892 is about 431.0267370002.

The spelling of 80077892 in words is "eighty million, seventy-seven thousand, eight hundred ninety-two".