79785898 has 8 divisors (see below), whose sum is σ = 122462208. Its totient is φ = 38965164.

The previous prime is 79785889. The next prime is 79785899. The reversal of 79785898 is 89858797.

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 (79785899) 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, 463786 + ... + 463957.

It is an arithmetic number, because the mean of its divisors is an integer number (15307776).

Almost surely, 2^79785898 is an apocalyptic number.

79785898 is a deficient number, since it is larger than the sum of its proper divisors (42676310).

79785898 is a wasteful number, since it uses less digits than its factorization.

79785898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 927788.

The product of its digits is 10160640, while the sum is 61.

The square root of 79785898 is about 8932.2952257524. The cubic root of 79785898 is about 430.5022039373.

The spelling of 79785898 in words is "seventy-nine million, seven hundred eighty-five thousand, eight hundred ninety-eight".