80932489 has 4 divisors (see below), whose sum is σ = 88290000. Its totient is φ = 73574980.

The previous prime is 80932487. The next prime is 80932499. The reversal of 80932489 is 98423908.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 80932489 - 2¹ = 80932487 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80932487) 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, 3678739 + ... + 3678760.

It is an arithmetic number, because the mean of its divisors is an integer number (22072500).

Almost surely, 2^80932489 is an apocalyptic number.

It is an amenable number.

80932489 is a deficient number, since it is larger than the sum of its proper divisors (7357511).

80932489 is a wasteful number, since it uses less digits than its factorization.

80932489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7357510.

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 80932489 is about 8996.2486070584. The cubic root of 80932489 is about 432.5546306302.

The spelling of 80932489 in words is "eighty million, nine hundred thirty-two thousand, four hundred eighty-nine".