78956822 has 8 divisors (see below), whose sum is σ = 135354576. Its totient is φ = 33838632.

The previous prime is 78956807. The next prime is 78956831. The reversal of 78956822 is 22865987.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2819873 + ... + 2819900.

It is an arithmetic number, because the mean of its divisors is an integer number (16919322).

Almost surely, 2^78956822 is an apocalyptic number.

78956822 is a deficient number, since it is larger than the sum of its proper divisors (56397754).

78956822 is a wasteful number, since it uses less digits than its factorization.

78956822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5639782.

The product of its digits is 483840, while the sum is 47.

The square root of 78956822 is about 8885.7651330654. The cubic root of 78956822 is about 429.0058554994.

The spelling of 78956822 in words is "seventy-eight million, nine hundred fifty-six thousand, eight hundred twenty-two".