79238685338 has 4 divisors (see below), whose sum is σ = 118858028010. Its totient is φ = 39619342668.

The previous prime is 79238685277. The next prime is 79238685343. The reversal of 79238685338 is 83358683297.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 49815115249 + 29423570089 = 223193^2 + 171533^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19809671333 + ... + 19809671336.

Almost surely, 2^79238685338 is an apocalyptic number.

79238685338 is a deficient number, since it is larger than the sum of its proper divisors (39619342672).

79238685338 is a wasteful number, since it uses less digits than its factorization.

79238685338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39619342671.

The product of its digits is 52254720, while the sum is 62.

The spelling of 79238685338 in words is "seventy-nine billion, two hundred thirty-eight million, six hundred eighty-five thousand, three hundred thirty-eight".