80750257 has 8 divisors (see below), whose sum is σ = 95263232. Its totient is φ = 66981600.

The previous prime is 80750237. The next prime is 80750261. The reversal of 80750257 is 75205708.

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

It is a de Polignac number, because none of the positive numbers 2^k-80750257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80750227) 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, 185844 + ... + 186277.

It is an arithmetic number, because the mean of its divisors is an integer number (11907904).

Almost surely, 2^80750257 is an apocalyptic number.

It is an amenable number.

80750257 is a deficient number, since it is larger than the sum of its proper divisors (14512975).

80750257 is a wasteful number, since it uses less digits than its factorization.

80750257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372159.

The product of its (nonzero) digits is 19600, while the sum is 34.

The square root of 80750257 is about 8986.1146776569. The cubic root of 80750257 is about 432.2297321335.

The spelling of 80750257 in words is "eighty million, seven hundred fifty thousand, two hundred fifty-seven".