79817670850 has 24 divisors (see below), whose sum is σ = 149082065280. Its totient is φ = 31793477520.

The previous prime is 79817670847. The next prime is 79817670857. The reversal of 79817670850 is 5807671897.

It is not an unprimeable number, because it can be changed into a prime (79817670857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3327702 + ... + 3351601.

It is an arithmetic number, because the mean of its divisors is an integer number (6211752720).

Almost surely, 2^79817670850 is an apocalyptic number.

79817670850 is a deficient number, since it is larger than the sum of its proper divisors (69264394430).

79817670850 is a wasteful number, since it uses less digits than its factorization.

79817670850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6679554 (or 6679549 counting only the distinct ones).

The product of its (nonzero) digits is 5927040, while the sum is 58.

The spelling of 79817670850 in words is "seventy-nine billion, eight hundred seventeen million, six hundred seventy thousand, eight hundred fifty".