80757825 has 12 divisors (see below), whose sum is σ = 133519728. Its totient is φ = 43070800.

The previous prime is 80757811. The next prime is 80757869. The reversal of 80757825 is 52875708.

It is a happy number.

It is not a de Polignac number, because 80757825 - 2¹¹ = 80755777 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 538311 + ... + 538460.

It is an arithmetic number, because the mean of its divisors is an integer number (11126644).

Almost surely, 2^80757825 is an apocalyptic number.

It is an amenable number.

80757825 is a deficient number, since it is larger than the sum of its proper divisors (52761903).

80757825 is a wasteful number, since it uses less digits than its factorization.

80757825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1076784 (or 1076779 counting only the distinct ones).

The product of its (nonzero) digits is 156800, while the sum is 42.

The square root of 80757825 is about 8986.5357619051. The cubic root of 80757825 is about 432.2432347219.

The spelling of 80757825 in words is "eighty million, seven hundred fifty-seven thousand, eight hundred twenty-five".