80494894 has 32 divisors (see below), whose sum is σ = 132088320. Its totient is φ = 36671712.

The previous prime is 80494867. The next prime is 80494907. The reversal of 80494894 is 49849408.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110359 + ... + 111085.

It is an arithmetic number, because the mean of its divisors is an integer number (4127760).

Almost surely, 2^80494894 is an apocalyptic number.

80494894 is a deficient number, since it is larger than the sum of its proper divisors (51593426).

80494894 is a wasteful number, since it uses less digits than its factorization.

80494894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864.

The product of its (nonzero) digits is 331776, while the sum is 46.

The square root of 80494894 is about 8971.8946716956. The cubic root of 80494894 is about 431.7736261108.

The spelling of 80494894 in words is "eighty million, four hundred ninety-four thousand, eight hundred ninety-four".