80769132 has 18 divisors (see below), whose sum is σ = 204166508. Its totient is φ = 26923032.

The previous prime is 80769131. The next prime is 80769137. The reversal of 80769132 is 23196708.

It is a tau number, because it is divible by the number of its divisors (18).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 2243587 = 80769132 / (8 + 0 + 7 + 6 + 9 + 1 + 3 + 2).

It is not an unprimeable number, because it can be changed into a prime (80769131) 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 5 ways as a sum of consecutive naturals, for example, 1121758 + ... + 1121829.

Almost surely, 2^80769132 is an apocalyptic number.

It is an amenable number.

80769132 is an abundant number, since it is smaller than the sum of its proper divisors (123397376).

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

80769132 is a wasteful number, since it uses less digits than its factorization.

80769132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2243597 (or 2243592 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 80769132 is about 8987.1648477148. The cubic root of 80769132 is about 432.2634067451.

The spelling of 80769132 in words is "eighty million, seven hundred sixty-nine thousand, one hundred thirty-two".