79418785126849 has 24 divisors (see below), whose sum is σ = 94905443107968. Its totient is φ = 66217070959200.

The previous prime is 79418785126783. The next prime is 79418785126951. The reversal of 79418785126849 is 94862158781497.

It is not a de Polignac number, because 79418785126849 - 2⁷ = 79418785126721 is a prime.

It is a super-2 number, since 2×79418785126849² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79418785126049) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1937752 + ... + 12751174.

It is an arithmetic number, because the mean of its divisors is an integer number (3954393462832).

Almost surely, 2^{79418785126849} is an apocalyptic number.

It is an amenable number.

79418785126849 is a deficient number, since it is larger than the sum of its proper divisors (15486657981119).

79418785126849 is a wasteful number, since it uses less digits than its factorization.

79418785126849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10817525 (or 10817518 counting only the distinct ones).

The product of its digits is 1950842880, while the sum is 79.

The spelling of 79418785126849 in words is "seventy-nine trillion, four hundred eighteen billion, seven hundred eighty-five million, one hundred twenty-six thousand, eight hundred forty-nine".