80790653 has 8 divisors (see below), whose sum is σ = 81502200. Its totient is φ = 80082688.

The previous prime is 80790649. The next prime is 80790659. The reversal of 80790653 is 35609708.

It can be written as a sum of positive squares in 4 ways, for example, as 1545049 + 79245604 = 1243^2 + 8902^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 80790653 - 2² = 80790649 is a prime.

It is a super-2 number, since 2×80790653² = 13054259224332818, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80790659) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 62033 + ... + 63321.

It is an arithmetic number, because the mean of its divisors is an integer number (10187775).

Almost surely, 2^80790653 is an apocalyptic number.

It is an amenable number.

80790653 is a deficient number, since it is larger than the sum of its proper divisors (711547).

80790653 is a wasteful number, since it uses less digits than its factorization.

80790653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1791.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 80790653 is about 8988.3620866096. The cubic root of 80790653 is about 432.3017956462.

The spelling of 80790653 in words is "eighty million, seven hundred ninety thousand, six hundred fifty-three".