79838026 has 4 divisors (see below), whose sum is σ = 119757042. Its totient is φ = 39919012.

The previous prime is 79838023. The next prime is 79838047. The reversal of 79838026 is 62083897.

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., 76580001 + 3258025 = 8751^2 + 1805^2 .

It is a super-2 number, since 2×79838026² = 12748220791153352, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (79838021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19959505 + ... + 19959508.

Almost surely, 2^79838026 is an apocalyptic number.

79838026 is a deficient number, since it is larger than the sum of its proper divisors (39919016).

79838026 is a wasteful number, since it uses less digits than its factorization.

79838026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39919015.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 79838026 is about 8935.2127003222. The cubic root of 79838026 is about 430.5959395217.

The spelling of 79838026 in words is "seventy-nine million, eight hundred thirty-eight thousand, twenty-six".