79487842 has 8 divisors (see below), whose sum is σ = 136264896. Its totient is φ = 34066212.

The previous prime is 79487833. The next prime is 79487843. The reversal of 79487842 is 24878497.

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

It is not an unprimeable number, because it can be changed into a prime (79487843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2838838 + ... + 2838865.

It is an arithmetic number, because the mean of its divisors is an integer number (17033112).

Almost surely, 2^79487842 is an apocalyptic number.

79487842 is a deficient number, since it is larger than the sum of its proper divisors (56777054).

79487842 is a wasteful number, since it uses less digits than its factorization.

79487842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5677712.

The product of its digits is 903168, while the sum is 49.

The square root of 79487842 is about 8915.5954372100. The cubic root of 79487842 is about 429.9654596377.

It can be divided in two parts, 7 and 9487842, that added together give a palindrome (9487849).

The spelling of 79487842 in words is "seventy-nine million, four hundred eighty-seven thousand, eight hundred forty-two".