80837289 has 24 divisors (see below), whose sum is σ = 126147840. Its totient is φ = 49587552.

The previous prime is 80837287. The next prime is 80837293. The reversal of 80837289 is 98273808.

It is not a de Polignac number, because 80837289 - 2¹ = 80837287 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80837287) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43432 + ... + 45254.

It is an arithmetic number, because the mean of its divisors is an integer number (5256160).

Almost surely, 2^80837289 is an apocalyptic number.

It is an amenable number.

80837289 is a deficient number, since it is larger than the sum of its proper divisors (45310551).

80837289 is a wasteful number, since it uses less digits than its factorization.

80837289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2221 (or 2218 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 80837289 is about 8990.9559558481. The cubic root of 80837289 is about 432.3849609951.

The spelling of 80837289 in words is "eighty million, eight hundred thirty-seven thousand, two hundred eighty-nine".