80930489 has 4 divisors (see below), whose sum is σ = 85691124. Its totient is φ = 76169856.

The previous prime is 80930483. The next prime is 80930539. The reversal of 80930489 is 98403908.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 44448889 + 36481600 = 6667^2 + 6040^2 .

It is a cyclic number.

It is not a de Polignac number, because 80930489 - 2⁸ = 80930233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80930483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2380292 + ... + 2380325.

It is an arithmetic number, because the mean of its divisors is an integer number (21422781).

Almost surely, 2^80930489 is an apocalyptic number.

It is an amenable number.

80930489 is a deficient number, since it is larger than the sum of its proper divisors (4760635).

80930489 is a wasteful number, since it uses less digits than its factorization.

80930489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4760634.

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 80930489 is about 8996.1374489277. The cubic root of 80930489 is about 432.5510675107.

The spelling of 80930489 in words is "eighty million, nine hundred thirty thousand, four hundred eighty-nine".