80776125 has 48 divisors (see below), whose sum is σ = 153316800. Its totient is φ = 40802400.

The previous prime is 80776123. The next prime is 80776141. The reversal of 80776125 is 52167708.

It is not a de Polignac number, because 80776125 - 2¹ = 80776123 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80776125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80776123) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19486 + ... + 23264.

It is an arithmetic number, because the mean of its divisors is an integer number (3194100).

Almost surely, 2^80776125 is an apocalyptic number.

It is an amenable number.

80776125 is a deficient number, since it is larger than the sum of its proper divisors (72540675).

80776125 is a wasteful number, since it uses less digits than its factorization.

80776125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3819 (or 3806 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 36.

The square root of 80776125 is about 8987.5538941360. The cubic root of 80776125 is about 432.2758815223.

The spelling of 80776125 in words is "eighty million, seven hundred seventy-six thousand, one hundred twenty-five".