80537091 has 16 divisors (see below), whose sum is σ = 108518400. Its totient is φ = 53127360.

The previous prime is 80537087. The next prime is 80537111. The reversal of 80537091 is 19073508.

It is not a de Polignac number, because 80537091 - 2² = 80537087 is a prime.

It is a super-3 number, since 3×80537091³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (80537491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 186646 + ... + 187076.

It is an arithmetic number, because the mean of its divisors is an integer number (6782400).

Almost surely, 2^80537091 is an apocalyptic number.

80537091 is a deficient number, since it is larger than the sum of its proper divisors (27981309).

80537091 is a wasteful number, since it uses less digits than its factorization.

80537091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 946.

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 80537091 is about 8974.2459850396. The cubic root of 80537091 is about 431.8490609947.

The spelling of 80537091 in words is "eighty million, five hundred thirty-seven thousand, ninety-one".