79289243 has 6 divisors (see below), whose sum is σ = 87152772. Its totient is φ = 72081020.

The previous prime is 79289233. The next prime is 79289263. The reversal of 79289243 is 34298297.

It is not a de Polignac number, because 79289243 - 2¹² = 79285147 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 79289194 and 79289203.

It is not an unprimeable number, because it can be changed into a prime (79289233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 327521 + ... + 327762.

It is an arithmetic number, because the mean of its divisors is an integer number (14525462).

Almost surely, 2^79289243 is an apocalyptic number.

79289243 is a deficient number, since it is larger than the sum of its proper divisors (7863529).

79289243 is a wasteful number, since it uses less digits than its factorization.

79289243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655305 (or 655294 counting only the distinct ones).

The product of its digits is 217728, while the sum is 44.

The square root of 79289243 is about 8904.4507410620. The cubic root of 79289243 is about 429.6070739073.

It can be divided in two parts, 7928 and 9243, that added together give a palindrome (17171).

The spelling of 79289243 in words is "seventy-nine million, two hundred eighty-nine thousand, two hundred forty-three".