80765575 has 24 divisors (see below), whose sum is σ = 109658160. Its totient is φ = 58521600.

The previous prime is 80765563. The next prime is 80765579. The reversal of 80765575 is 57556708.

It is not a de Polignac number, because 80765575 - 2²¹ = 78668423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80765579) 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, 139687 + ... + 140263.

It is an arithmetic number, because the mean of its divisors is an integer number (4569090).

Almost surely, 2^80765575 is an apocalyptic number.

80765575 is a deficient number, since it is larger than the sum of its proper divisors (28892585).

80765575 is a wasteful number, since it uses less digits than its factorization.

80765575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1107 (or 1102 counting only the distinct ones).

The product of its (nonzero) digits is 294000, while the sum is 43.

The square root of 80765575 is about 8986.9669522036. The cubic root of 80765575 is about 432.2570611546.

The spelling of 80765575 in words is "eighty million, seven hundred sixty-five thousand, five hundred seventy-five".