79124687253 has 12 divisors (see below), whose sum is σ = 114404499820. Its totient is φ = 52697506176.

The previous prime is 79124687251. The next prime is 79124687287. The reversal of 79124687253 is 35278642197.

It is a happy number.

79124687253 is a `hidden beast` number, since 79 + 1 + 246 + 87 + 253 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 32812786449 + 46311900804 = 181143^2 + 215202^2 .

It is not a de Polignac number, because 79124687253 - 2¹ = 79124687251 is a prime.

It is a super-2 number, since 2×79124687253² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 79124687253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79124687251) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4347526 + ... + 4365687.

Almost surely, 2^79124687253 is an apocalyptic number.

It is an amenable number.

79124687253 is a deficient number, since it is larger than the sum of its proper divisors (35279812567).

79124687253 is a wasteful number, since it uses less digits than its factorization.

79124687253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8714228 (or 8714225 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 54.

The spelling of 79124687253 in words is "seventy-nine billion, one hundred twenty-four million, six hundred eighty-seven thousand, two hundred fifty-three".