79814385 has 48 divisors (see below), whose sum is σ = 161366400. Its totient is φ = 36479520.

The previous prime is 79814381. The next prime is 79814387. The reversal of 79814385 is 58341897.

It is not a de Polignac number, because 79814385 - 2² = 79814381 is a prime.

It is a super-3 number, since 3×79814385³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 79814385.

It is not an unprimeable number, because it can be changed into a prime (79814381) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12850 + ... + 18020.

It is an arithmetic number, because the mean of its divisors is an integer number (3361800).

Almost surely, 2^79814385 is an apocalyptic number.

It is an amenable number.

79814385 is an abundant number, since it is smaller than the sum of its proper divisors (81552015).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

79814385 is a wasteful number, since it uses less digits than its factorization.

79814385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5203 (or 5186 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 79814385 is about 8933.8896903868. The cubic root of 79814385 is about 430.5534337800.

The spelling of 79814385 in words is "seventy-nine million, eight hundred fourteen thousand, three hundred eighty-five".