79047478 has 8 divisors (see below), whose sum is σ = 118609272. Its totient is φ = 39511056.

The previous prime is 79047469. The next prime is 79047491. The reversal of 79047478 is 87474097.

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, 7426 + ... + 14602.

It is an arithmetic number, because the mean of its divisors is an integer number (14826159).

Almost surely, 2^79047478 is an apocalyptic number.

79047478 is a deficient number, since it is larger than the sum of its proper divisors (39561794).

79047478 is a wasteful number, since it uses less digits than its factorization.

79047478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12686.

The product of its (nonzero) digits is 395136, while the sum is 46.

The square root of 79047478 is about 8890.8648623180. The cubic root of 79047478 is about 429.1699835145.

The spelling of 79047478 in words is "seventy-nine million, forty-seven thousand, four hundred seventy-eight".