80929359 has 24 divisors (see below), whose sum is σ = 134209920. Its totient is φ = 46033488.

The previous prime is 80929351. The next prime is 80929403. The reversal of 80929359 is 95392908.

It is not a de Polignac number, because 80929359 - 2³ = 80929351 is a prime.

It is a super-2 number, since 2×80929359² = 13099122296301762, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80929351) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11472 + ... + 17130.

It is an arithmetic number, because the mean of its divisors is an integer number (5592080).

Almost surely, 2^80929359 is an apocalyptic number.

80929359 is a deficient number, since it is larger than the sum of its proper divisors (53280561).

80929359 is a wasteful number, since it uses less digits than its factorization.

80929359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5899 (or 5896 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 45.

The square root of 80929359 is about 8996.0746439767. The cubic root of 80929359 is about 432.5490543222.

It can be divided in two parts, 8092935 and 9, that multiplied together give a triangular number (72836415 = T₁₂₀₆₉).

The spelling of 80929359 in words is "eighty million, nine hundred twenty-nine thousand, three hundred fifty-nine".