80745057 has 12 divisors (see below), whose sum is σ = 116712960. Its totient is φ = 53792568.

The previous prime is 80745043. The next prime is 80745061. The reversal of 80745057 is 75054708.

80745057 is a `hidden beast` number, since 80 + 74 + 505 + 7 = 666.

It is not a de Polignac number, because 80745057 - 2⁷ = 80744929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80745097) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18148 + ... + 22154.

It is an arithmetic number, because the mean of its divisors is an integer number (9726080).

Almost surely, 2^80745057 is an apocalyptic number.

It is an amenable number.

80745057 is a deficient number, since it is larger than the sum of its proper divisors (35967903).

80745057 is a wasteful number, since it uses less digits than its factorization.

80745057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6252 (or 6249 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 36.

The square root of 80745057 is about 8985.8253377194. The cubic root of 80745057 is about 432.2204539676.

It can be divided in two parts, 8074 and 5057, that added together give a palindrome (13131).

The spelling of 80745057 in words is "eighty million, seven hundred forty-five thousand, fifty-seven".