79150118 has 4 divisors (see below), whose sum is σ = 118725180. Its totient is φ = 39575058.

The previous prime is 79150117. The next prime is 79150129. The reversal of 79150118 is 81105197.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 81105197 = 2459 ⋅32983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79150111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19787528 + ... + 19787531.

It is an arithmetic number, because the mean of its divisors is an integer number (29681295).

Almost surely, 2^79150118 is an apocalyptic number.

79150118 is a deficient number, since it is larger than the sum of its proper divisors (39575062).

79150118 is a wasteful number, since it uses less digits than its factorization.

79150118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39575061.

The product of its (nonzero) digits is 2520, while the sum is 32.

The square root of 79150118 is about 8896.6352066385. The cubic root of 79150118 is about 429.3556565482.

The spelling of 79150118 in words is "seventy-nine million, one hundred fifty thousand, one hundred eighteen".