791134478 has 4 divisors (see below), whose sum is σ = 1186701720. Its totient is φ = 395567238.

The previous prime is 791134453. The next prime is 791134493. The reversal of 791134478 is 874431197.

791134478 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 polite number, since it can be written as a sum of consecutive naturals, namely, 197783618 + ... + 197783621.

It is an arithmetic number, because the mean of its divisors is an integer number (296675430).

Almost surely, 2^791134478 is an apocalyptic number.

791134478 is a deficient number, since it is larger than the sum of its proper divisors (395567242).

791134478 is a wasteful number, since it uses less digits than its factorization.

791134478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395567241.

The product of its digits is 169344, while the sum is 44.

The square root of 791134478 is about 28127.1128628589. The cubic root of 791134478 is about 924.8758452308.

The spelling of 791134478 in words is "seven hundred ninety-one million, one hundred thirty-four thousand, four hundred seventy-eight".