80776408 has 8 divisors (see below), whose sum is σ = 151455780. Its totient is φ = 40388200.

The previous prime is 80776387. The next prime is 80776417. The reversal of 80776408 is 80467708.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

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 as a sum of consecutive naturals, namely, 5048518 + ... + 5048533.

Almost surely, 2^80776408 is an apocalyptic number.

It is an amenable number.

80776408 is a deficient number, since it is larger than the sum of its proper divisors (70679372).

80776408 is a wasteful number, since it uses less digits than its factorization.

80776408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10097057 (or 10097053 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 40.

The square root of 80776408 is about 8987.5696381169. The cubic root of 80776408 is about 432.2763863494.

The spelling of 80776408 in words is "eighty million, seven hundred seventy-six thousand, four hundred eight".