80489537 has 4 divisors (see below), whose sum is σ = 80871216. Its totient is φ = 80107860.

The previous prime is 80489527. The next prime is 80489551. The reversal of 80489537 is 73598408.

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 80489537 - 2⁶ = 80489473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80489527) 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, 190523 + ... + 190944.

It is an arithmetic number, because the mean of its divisors is an integer number (20217804).

Almost surely, 2^80489537 is an apocalyptic number.

It is an amenable number.

80489537 is a deficient number, since it is larger than the sum of its proper divisors (381679).

80489537 is a wasteful number, since it uses less digits than its factorization.

80489537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381678.

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 80489537 is about 8971.5961233216. The cubic root of 80489537 is about 431.7640476042.

The spelling of 80489537 in words is "eighty million, four hundred eighty-nine thousand, five hundred thirty-seven".