79321838 has 8 divisors (see below), whose sum is σ = 120933480. Its totient is φ = 39010680.

The previous prime is 79321829. The next prime is 79321843. The reversal of 79321838 is 83812397.

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

It is a junction number, because it is equal to n+sod(n) for n = 79321795 and 79321804.

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, 324968 + ... + 325211.

It is an arithmetic number, because the mean of its divisors is an integer number (15116685).

Almost surely, 2^79321838 is an apocalyptic number.

79321838 is a deficient number, since it is larger than the sum of its proper divisors (41611642).

79321838 is a wasteful number, since it uses less digits than its factorization.

79321838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650242.

The product of its digits is 72576, while the sum is 41.

The square root of 79321838 is about 8906.2808174905. The cubic root of 79321838 is about 429.6659348728.

The spelling of 79321838 in words is "seventy-nine million, three hundred twenty-one thousand, eight hundred thirty-eight".