80504977 has 8 divisors (see below), whose sum is σ = 92062656. Its totient is φ = 68961552.

The previous prime is 80504971. The next prime is 80505011. The reversal of 80504977 is 77940508.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 80504977 - 2¹⁹ = 79980689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80504971) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 15018 + ... + 19660.

It is an arithmetic number, because the mean of its divisors is an integer number (11507832).

Almost surely, 2^80504977 is an apocalyptic number.

It is an amenable number.

80504977 is a deficient number, since it is larger than the sum of its proper divisors (11557679).

80504977 is a wasteful number, since it uses less digits than its factorization.

80504977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7127.

The product of its (nonzero) digits is 70560, while the sum is 40.

The square root of 80504977 is about 8972.4565755427. The cubic root of 80504977 is about 431.7916537209.

The spelling of 80504977 in words is "eighty million, five hundred four thousand, nine hundred seventy-seven".