80529976 has 8 divisors (see below), whose sum is σ = 150993720. Its totient is φ = 40264984.

The previous prime is 80529931. The next prime is 80529989. The reversal of 80529976 is 67992508.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5033116 + ... + 5033131.

It is an arithmetic number, because the mean of its divisors is an integer number (18874215).

Almost surely, 2^80529976 is an apocalyptic number.

It is an amenable number.

80529976 is a deficient number, since it is larger than the sum of its proper divisors (70463744).

80529976 is a wasteful number, since it uses less digits than its factorization.

80529976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10066253 (or 10066249 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 80529976 is about 8973.8495641503. The cubic root of 80529976 is about 431.8363434732.

The spelling of 80529976 in words is "eighty million, five hundred twenty-nine thousand, nine hundred seventy-six".