80075977 has 8 divisors (see below), whose sum is σ = 81097632. Its totient is φ = 79060800.

The previous prime is 80075959. The next prime is 80075987. The reversal of 80075977 is 77957008.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80075977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80075917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26193 + ... + 29089.

It is an arithmetic number, because the mean of its divisors is an integer number (10137204).

Almost surely, 2^80075977 is an apocalyptic number.

It is an amenable number.

80075977 is a deficient number, since it is larger than the sum of its proper divisors (1021655).

80075977 is a wasteful number, since it uses less digits than its factorization.

80075977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3239.

The product of its (nonzero) digits is 123480, while the sum is 43.

The square root of 80075977 is about 8948.5181454808. The cubic root of 80075977 is about 431.0233010839.

The spelling of 80075977 in words is "eighty million, seventy-five thousand, nine hundred seventy-seven".