80825751 has 12 divisors (see below), whose sum is σ = 117343512. Its totient is φ = 53609136.

The previous prime is 80825741. The next prime is 80825777. The reversal of 80825751 is 15752808.

80825751 is a `hidden beast` number, since 8 + 0 + 82 + 575 + 1 = 666.

It is not a de Polignac number, because 80825751 - 2¹⁴ = 80809367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80825741) 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, 21021 + ... + 24566.

It is an arithmetic number, because the mean of its divisors is an integer number (9778626).

Almost surely, 2^80825751 is an apocalyptic number.

80825751 is a deficient number, since it is larger than the sum of its proper divisors (36517761).

80825751 is a wasteful number, since it uses less digits than its factorization.

80825751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45790 (or 45787 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 36.

The square root of 80825751 is about 8990.3142881659. The cubic root of 80825751 is about 432.3643884140.

The spelling of 80825751 in words is "eighty million, eight hundred twenty-five thousand, seven hundred fifty-one".