80695404 has 18 divisors (see below), whose sum is σ = 203980140. Its totient is φ = 26898456.

The previous prime is 80695369. The next prime is 80695493. The reversal of 80695404 is 40459608.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 2241539 = 80695404 / (8 + 0 + 6 + 9 + 5 + 4 + 0 + 4).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1120734 + ... + 1120805.

It is an arithmetic number, because the mean of its divisors is an integer number (11332230).

Almost surely, 2^80695404 is an apocalyptic number.

It is an amenable number.

80695404 is an abundant number, since it is smaller than the sum of its proper divisors (123284736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80695404 is a wasteful number, since it uses less digits than its factorization.

80695404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2241549 (or 2241544 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 80695404 is about 8983.0620614577. The cubic root of 80695404 is about 432.1318399044.

The spelling of 80695404 in words is "eighty million, six hundred ninety-five thousand, four hundred four".