79243846838 has 12 divisors (see below), whose sum is σ = 128712639348. Its totient is φ = 36574083000.

The previous prime is 79243846831. The next prime is 79243846841. The reversal of 79243846838 is 83864834297.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79243846831) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 117224288 + ... + 117224963.

It is an arithmetic number, because the mean of its divisors is an integer number (10726053279).

Almost surely, 2^79243846838 is an apocalyptic number.

79243846838 is a deficient number, since it is larger than the sum of its proper divisors (49468792510).

79243846838 is a wasteful number, since it uses less digits than its factorization.

79243846838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234449279 (or 234449266 counting only the distinct ones).

The product of its digits is 55738368, while the sum is 62.

The spelling of 79243846838 in words is "seventy-nine billion, two hundred forty-three million, eight hundred forty-six thousand, eight hundred thirty-eight".