80837136 has 40 divisors (see below), whose sum is σ = 232033760. Its totient is φ = 26945568.

The previous prime is 80837131. The next prime is 80837143. The reversal of 80837136 is 63173808.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 80837136.

It is not an unprimeable number, because it can be changed into a prime (80837131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93130 + ... + 93993.

It is an arithmetic number, because the mean of its divisors is an integer number (5800844).

Almost surely, 2^80837136 is an apocalyptic number.

It is an amenable number.

80837136 is an abundant number, since it is smaller than the sum of its proper divisors (151196624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80837136 is a wasteful number, since it uses less digits than its factorization.

80837136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187140 (or 187128 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 80837136 is about 8990.9474472939. The cubic root of 80837136 is about 432.3846882046.

The spelling of 80837136 in words is "eighty million, eight hundred thirty-seven thousand, one hundred thirty-six".