80900361 has 24 divisors (see below), whose sum is σ = 122456256. Its totient is φ = 51369120.

The previous prime is 80900357. The next prime is 80900381. The reversal of 80900361 is 16300908.

It is not a de Polignac number, because 80900361 - 2² = 80900357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80900381) 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 23 ways as a sum of consecutive naturals, for example, 57891 + ... + 59271.

It is an arithmetic number, because the mean of its divisors is an integer number (5102344).

Almost surely, 2^80900361 is an apocalyptic number.

It is an amenable number.

80900361 is a deficient number, since it is larger than the sum of its proper divisors (41555895).

80900361 is a wasteful number, since it uses less digits than its factorization.

80900361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1693 (or 1690 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 80900361 is about 8994.4627966322. The cubic root of 80900361 is about 432.4973855745.

The spelling of 80900361 in words is "eighty million, nine hundred thousand, three hundred sixty-one".