79536463547 has 2 divisors, whose sum is σ = 79536463548. Its totient is φ = 79536463546.

The previous prime is 79536463543. The next prime is 79536463607. The reversal of 79536463547 is 74536463597.

It is a weak prime.

It is an emirp because it is prime and its reverse (74536463597) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 79536463547 - 2² = 79536463543 is a prime.

It is not a weakly prime, because it can be changed into another prime (79536463541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39768231773 + 39768231774.

It is an arithmetic number, because the mean of its divisors is an integer number (39768231774).

Almost surely, 2^79536463547 is an apocalyptic number.

79536463547 is a deficient number, since it is larger than the sum of its proper divisors (1).

79536463547 is an equidigital number, since it uses as much as digits as its factorization.

79536463547 is an evil number, because the sum of its binary digits is even.

The product of its digits is 57153600, while the sum is 59.

The spelling of 79536463547 in words is "seventy-nine billion, five hundred thirty-six million, four hundred sixty-three thousand, five hundred forty-seven".