79438070438 has 8 divisors (see below), whose sum is σ = 120592733688. Its totient is φ = 39240492544.

The previous prime is 79438070419. The next prime is 79438070471. The reversal of 79438070438 is 83407083497.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 79438070438.

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, 239271131 + ... + 239271462.

It is an arithmetic number, because the mean of its divisors is an integer number (15074091711).

Almost surely, 2^79438070438 is an apocalyptic number.

79438070438 is a deficient number, since it is larger than the sum of its proper divisors (41154663250).

79438070438 is a wasteful number, since it uses less digits than its factorization.

79438070438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478542678.

The product of its (nonzero) digits is 4064256, while the sum is 53.

The spelling of 79438070438 in words is "seventy-nine billion, four hundred thirty-eight million, seventy thousand, four hundred thirty-eight".