80819262 has 32 divisors (see below), whose sum is σ = 182649600. Its totient is φ = 26482104.

The previous prime is 80819227. The next prime is 80819267. The reversal of 80819262 is 26291808.

It is a super-2 number, since 2×80819262² = 13063506220449288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80819267) 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 15 ways as a sum of consecutive naturals, for example, 9498 + ... + 15869.

It is an arithmetic number, because the mean of its divisors is an integer number (5707800).

Almost surely, 2^80819262 is an apocalyptic number.

80819262 is an abundant number, since it is smaller than the sum of its proper divisors (101830338).

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

80819262 is a wasteful number, since it uses less digits than its factorization.

80819262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25437 (or 25431 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 80819262 is about 8989.9533925377. The cubic root of 80819262 is about 432.3528174829.

The spelling of 80819262 in words is "eighty million, eight hundred nineteen thousand, two hundred sixty-two".