80899237 has 8 divisors (see below), whose sum is σ = 82407672. Its totient is φ = 79396800.

The previous prime is 80899223. The next prime is 80899319. The reversal of 80899237 is 73299808.

It can be written as a sum of positive squares in 4 ways, for example, as 20666116 + 60233121 = 4546^2 + 7761^2 .

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 80899237 - 2¹⁵ = 80866469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80899337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32787 + ... + 35167.

It is an arithmetic number, because the mean of its divisors is an integer number (10300959).

Almost surely, 2^80899237 is an apocalyptic number.

It is an amenable number.

80899237 is a deficient number, since it is larger than the sum of its proper divisors (1508435).

80899237 is a wasteful number, since it uses less digits than its factorization.

80899237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2999.

The product of its (nonzero) digits is 217728, while the sum is 46.

The square root of 80899237 is about 8994.4003135284. The cubic root of 80899237 is about 432.4953825785.

The spelling of 80899237 in words is "eighty million, eight hundred ninety-nine thousand, two hundred thirty-seven".