80377776 has 30 divisors (see below), whose sum is σ = 224946540. Its totient is φ = 26792544.

The previous prime is 80377757. The next prime is 80377807. The reversal of 80377776 is 67777308.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 278946 + ... + 279233.

It is an arithmetic number, because the mean of its divisors is an integer number (7498218).

Almost surely, 2^80377776 is an apocalyptic number.

It is an amenable number.

80377776 is an abundant number, since it is smaller than the sum of its proper divisors (144568764).

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

80377776 is a wasteful number, since it uses less digits than its factorization.

80377776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558193 (or 558184 counting only the distinct ones).

The product of its (nonzero) digits is 345744, while the sum is 45.

The square root of 80377776 is about 8965.3653578647. The cubic root of 80377776 is about 431.5641179621.

The spelling of 80377776 in words is "eighty million, three hundred seventy-seven thousand, seven hundred seventy-six".