79461700245 has 20 divisors (see below), whose sum is σ = 142442455980. Its totient is φ = 42379573248.

The previous prime is 79461700189. The next prime is 79461700249. The reversal of 79461700245 is 54200716497.

79461700245 is a `hidden beast` number, since 7 + 9 + 4 + 617 + 0 + 0 + 24 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 49505360004 + 29956340241 = 222498^2 + 173079^2 .

It is a de Polignac number, because none of the positive numbers 2^k-79461700245 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

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 79461700245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79461700249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 98100460 + ... + 98101269.

It is an arithmetic number, because the mean of its divisors is an integer number (7122122799).

Almost surely, 2^79461700245 is an apocalyptic number.

It is an amenable number.

79461700245 is a deficient number, since it is larger than the sum of its proper divisors (62980755735).

79461700245 is a wasteful number, since it uses less digits than its factorization.

79461700245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196201746 (or 196201737 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The spelling of 79461700245 in words is "seventy-nine billion, four hundred sixty-one million, seven hundred thousand, two hundred forty-five".