80534494 has 4 divisors (see below), whose sum is σ = 120801744. Its totient is φ = 40267246.

The previous prime is 80534473. The next prime is 80534501. The reversal of 80534494 is 49443508.

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 (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20133622 + ... + 20133625.

It is an arithmetic number, because the mean of its divisors is an integer number (30200436).

Almost surely, 2^80534494 is an apocalyptic number.

80534494 is a deficient number, since it is larger than the sum of its proper divisors (40267250).

80534494 is a wasteful number, since it uses less digits than its factorization.

80534494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40267249.

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 80534494 is about 8974.1012920515. The cubic root of 80534494 is about 431.8444191415.

The spelling of 80534494 in words is "eighty million, five hundred thirty-four thousand, four hundred ninety-four".