80529814 has 4 divisors (see below), whose sum is σ = 120794724. Its totient is φ = 40264906.

The previous prime is 80529769. The next prime is 80529851. The reversal of 80529814 is 41892508.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20132452 + ... + 20132455.

It is an arithmetic number, because the mean of its divisors is an integer number (30198681).

Almost surely, 2^80529814 is an apocalyptic number.

80529814 is a deficient number, since it is larger than the sum of its proper divisors (40264910).

80529814 is a wasteful number, since it uses less digits than its factorization.

80529814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40264909.

The product of its (nonzero) digits is 23040, while the sum is 37.

The square root of 80529814 is about 8973.8405379191. The cubic root of 80529814 is about 431.8360539018.

The spelling of 80529814 in words is "eighty million, five hundred twenty-nine thousand, eight hundred fourteen".