79613670503 has 2 divisors, whose sum is σ = 79613670504. Its totient is φ = 79613670502.

The previous prime is 79613670497. The next prime is 79613670527. The reversal of 79613670503 is 30507631697.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 79613670503 - 2⁸ = 79613670247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79613670403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39806835251 + 39806835252.

It is an arithmetic number, because the mean of its divisors is an integer number (39806835252).

Almost surely, 2^79613670503 is an apocalyptic number.

79613670503 is a deficient number, since it is larger than the sum of its proper divisors (1).

79613670503 is an equidigital number, since it uses as much as digits as its factorization.

79613670503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 714420, while the sum is 47.

The spelling of 79613670503 in words is "seventy-nine billion, six hundred thirteen million, six hundred seventy thousand, five hundred three".