79612278143 has 2 divisors, whose sum is σ = 79612278144. Its totient is φ = 79612278142.

The previous prime is 79612278133. The next prime is 79612278191. The reversal of 79612278143 is 34187221697.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 79612278143 - 2³⁰ = 78538536319 is a prime.

It is a super-2 number, since 2×79612278143² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 79612278091 and 79612278100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79612278113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39806139071 + 39806139072.

It is an arithmetic number, because the mean of its divisors is an integer number (39806139072).

Almost surely, 2^79612278143 is an apocalyptic number.

79612278143 is a deficient number, since it is larger than the sum of its proper divisors (1).

79612278143 is an equidigital number, since it uses as much as digits as its factorization.

79612278143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1016064, while the sum is 50.

The spelling of 79612278143 in words is "seventy-nine billion, six hundred twelve million, two hundred seventy-eight thousand, one hundred forty-three".