80390708 has 6 divisors (see below), whose sum is σ = 140683746. Its totient is φ = 40195352.

The previous prime is 80390707. The next prime is 80390731. The reversal of 80390708 is 80709308.

It can be written as a sum of positive squares in only one way, i.e., 78464164 + 1926544 = 8858^2 + 1388^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80390707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10048835 + ... + 10048842.

It is an arithmetic number, because the mean of its divisors is an integer number (23447291).

Almost surely, 2^80390708 is an apocalyptic number.

It is an amenable number.

80390708 is a deficient number, since it is larger than the sum of its proper divisors (60293038).

80390708 is a wasteful number, since it uses less digits than its factorization.

80390708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20097681 (or 20097679 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 80390708 is about 8966.0865487681. The cubic root of 80390708 is about 431.5872615397.

The spelling of 80390708 in words is "eighty million, three hundred ninety thousand, seven hundred eight".