80727925 has 6 divisors (see below), whose sum is σ = 100102658. Its totient is φ = 64582320.

The previous prime is 80727877. The next prime is 80727943. The reversal of 80727925 is 52972708.

It can be written as a sum of positive squares in 3 ways, for example, as 5489649 + 75238276 = 2343^2 + 8674^2 .

It is not a de Polignac number, because 80727925 - 2⁷ = 80727797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1614534 + ... + 1614583.

Almost surely, 2^80727925 is an apocalyptic number.

It is an amenable number.

80727925 is a deficient number, since it is larger than the sum of its proper divisors (19374733).

80727925 is a wasteful number, since it uses less digits than its factorization.

80727925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3229127 (or 3229122 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 40.

The square root of 80727925 is about 8984.8720079921. The cubic root of 80727925 is about 432.1898831609.

The spelling of 80727925 in words is "eighty million, seven hundred twenty-seven thousand, nine hundred twenty-five".