79216478 has 8 divisors (see below), whose sum is σ = 129627000. Its totient is φ = 36007480.

The previous prime is 79216463. The next prime is 79216483. The reversal of 79216478 is 87461297.

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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1800353 + ... + 1800396.

It is an arithmetic number, because the mean of its divisors is an integer number (16203375).

Almost surely, 2^79216478 is an apocalyptic number.

79216478 is a deficient number, since it is larger than the sum of its proper divisors (50410522).

79216478 is a wasteful number, since it uses less digits than its factorization.

79216478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3600762.

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

The square root of 79216478 is about 8900.3639251437. The cubic root of 79216478 is about 429.4756146024.

The spelling of 79216478 in words is "seventy-nine million, two hundred sixteen thousand, four hundred seventy-eight".