79637510863 has 2 divisors, whose sum is σ = 79637510864. Its totient is φ = 79637510862.

The previous prime is 79637510861. The next prime is 79637510933. The reversal of 79637510863 is 36801573697.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 79637510863 - 2¹ = 79637510861 is a prime.

Together with 79637510861, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79637510861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39818755431 + 39818755432.

It is an arithmetic number, because the mean of its divisors is an integer number (39818755432).

Almost surely, 2^79637510863 is an apocalyptic number.

79637510863 is a deficient number, since it is larger than the sum of its proper divisors (1).

79637510863 is an equidigital number, since it uses as much as digits as its factorization.

79637510863 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5715360, while the sum is 55.

The spelling of 79637510863 in words is "seventy-nine billion, six hundred thirty-seven million, five hundred ten thousand, eight hundred sixty-three".