80384977 has 4 divisors (see below), whose sum is σ = 83880000. Its totient is φ = 76889956.

The previous prime is 80384971. The next prime is 80384981. The reversal of 80384977 is 77948308.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 80384977 - 2⁷ = 80384849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80384971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1747477 + ... + 1747522.

It is an arithmetic number, because the mean of its divisors is an integer number (20970000).

Almost surely, 2^80384977 is an apocalyptic number.

It is an amenable number.

80384977 is a deficient number, since it is larger than the sum of its proper divisors (3495023).

80384977 is a wasteful number, since it uses less digits than its factorization.

80384977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3495022.

The product of its (nonzero) digits is 338688, while the sum is 46.

The square root of 80384977 is about 8965.7669499045. The cubic root of 80384977 is about 431.5770054399.

The spelling of 80384977 in words is "eighty million, three hundred eighty-four thousand, nine hundred seventy-seven".