79243828 has 6 divisors (see below), whose sum is σ = 138676706. Its totient is φ = 39621912.

The previous prime is 79243823. The next prime is 79243831. The reversal of 79243828 is 82834297.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 76772644 + 2471184 = 8762^2 + 1572^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79243823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9905475 + ... + 9905482.

Almost surely, 2^79243828 is an apocalyptic number.

It is an amenable number.

79243828 is a deficient number, since it is larger than the sum of its proper divisors (59432878).

79243828 is a wasteful number, since it uses less digits than its factorization.

79243828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19810961 (or 19810959 counting only the distinct ones).

The product of its digits is 193536, while the sum is 43.

The square root of 79243828 is about 8901.9002465766. The cubic root of 79243828 is about 429.5250353239.

The spelling of 79243828 in words is "seventy-nine million, two hundred forty-three thousand, eight hundred twenty-eight".