80930581 has 8 divisors (see below), whose sum is σ = 83349504. Its totient is φ = 78523920.

The previous prime is 80930579. The next prime is 80930599. The reversal of 80930581 is 18503908.

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 80930581 - 2¹ = 80930579 is a prime.

It is a super-2 number, since 2×80930581² = 13099517881995122, 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 (80930981) 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, 11316 + ... + 17026.

It is an arithmetic number, because the mean of its divisors is an integer number (10418688).

Almost surely, 2^80930581 is an apocalyptic number.

It is an amenable number.

80930581 is a deficient number, since it is larger than the sum of its proper divisors (2418923).

80930581 is a wasteful number, since it uses less digits than its factorization.

80930581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6131.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 80930581 is about 8996.1425622319. The cubic root of 80930581 is about 432.5512314155.

The spelling of 80930581 in words is "eighty million, nine hundred thirty thousand, five hundred eighty-one".