80631353 has 8 divisors (see below), whose sum is σ = 91786176. Its totient is φ = 70114000.

The previous prime is 80631319. The next prime is 80631389. The reversal of 80631353 is 35313608.

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

It is not a de Polignac number, because 80631353 - 2¹⁶ = 80565817 is a prime.

It is a super-2 number, since 2×80631353² = 13002830173221218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80631053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159098 + ... + 159603.

It is an arithmetic number, because the mean of its divisors is an integer number (11473272).

Almost surely, 2^80631353 is an apocalyptic number.

It is an amenable number.

80631353 is a deficient number, since it is larger than the sum of its proper divisors (11154823).

80631353 is a wasteful number, since it uses less digits than its factorization.

80631353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318735.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 80631353 is about 8979.4962553586. The cubic root of 80631353 is about 432.0174765021.

The spelling of 80631353 in words is "eighty million, six hundred thirty-one thousand, three hundred fifty-three".