80478494 has 4 divisors (see below), whose sum is σ = 120717744. Its totient is φ = 40239246.

The previous prime is 80478473. The next prime is 80478533. The reversal of 80478494 is 49487408.

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

It is a super-3 number, since 3×80478494³ (a number of 25 digits) contains 333 as substring.

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, 20119622 + ... + 20119625.

It is an arithmetic number, because the mean of its divisors is an integer number (30179436).

Almost surely, 2^80478494 is an apocalyptic number.

80478494 is a deficient number, since it is larger than the sum of its proper divisors (40239250).

80478494 is a wasteful number, since it uses less digits than its factorization.

80478494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40239249.

The product of its (nonzero) digits is 258048, while the sum is 44.

The square root of 80478494 is about 8970.9806598833. The cubic root of 80478494 is about 431.7443009861.

The spelling of 80478494 in words is "eighty million, four hundred seventy-eight thousand, four hundred ninety-four".