80681494 has 8 divisors (see below), whose sum is σ = 121247568. Its totient is φ = 40265640.

The previous prime is 80681483. The next prime is 80681501. The reversal of 80681494 is 49418608.

It is a sphenic number, since it is the product of 3 distinct 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 in 3 ways as a sum of consecutive naturals, for example, 36202 + ... + 38365.

It is an arithmetic number, because the mean of its divisors is an integer number (15155946).

Almost surely, 2^80681494 is an apocalyptic number.

80681494 is a deficient number, since it is larger than the sum of its proper divisors (40566074).

80681494 is a wasteful number, since it uses less digits than its factorization.

80681494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75110.

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 80681494 is about 8982.2877932073. The cubic root of 80681494 is about 432.1070086707.

The spelling of 80681494 in words is "eighty million, six hundred eighty-one thousand, four hundred ninety-four".