80744878 has 8 divisors (see below), whose sum is σ = 124390872. Its totient is φ = 39281256.

The previous prime is 80744861. The next prime is 80744899. The reversal of 80744878 is 87844708.

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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 545500 + ... + 545647.

It is an arithmetic number, because the mean of its divisors is an integer number (15548859).

Almost surely, 2^80744878 is an apocalyptic number.

80744878 is a deficient number, since it is larger than the sum of its proper divisors (43645994).

80744878 is a wasteful number, since it uses less digits than its factorization.

80744878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1091186.

The product of its (nonzero) digits is 401408, while the sum is 46.

The square root of 80744878 is about 8985.8153775826. The cubic root of 80744878 is about 432.2201345775.

The spelling of 80744878 in words is "eighty million, seven hundred forty-four thousand, eight hundred seventy-eight".