80009756 has 12 divisors (see below), whose sum is σ = 143273592. Its totient is φ = 39074448.

The previous prime is 80009749. The next prime is 80009767. The reversal of 80009756 is 65790008.

It is a super-2 number, since 2×80009756² = 12803122110359072, which contains 22 as substring.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

80009756 is a modest number, since divided by 9756 gives 800 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 232415 + ... + 232758.

It is an arithmetic number, because the mean of its divisors is an integer number (11939466).

Almost surely, 2^80009756 is an apocalyptic number.

80009756 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

It is an amenable number.

80009756 is a deficient number, since it is larger than the sum of its proper divisors (63263836).

80009756 is a wasteful number, since it uses less digits than its factorization.

80009756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465220 (or 465218 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 80009756 is about 8944.8172703527. The cubic root of 80009756 is about 430.9044528484.

The spelling of 80009756 in words is "eighty million, nine thousand, seven hundred fifty-six".