79519963 has 2 divisors, whose sum is σ = 79519964. Its totient is φ = 79519962.

The previous prime is 79519961. The next prime is 79520003. The reversal of 79519963 is 36991597.

It is a weak prime.

It is an emirp because it is prime and its reverse (36991597) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 79519963 - 2¹ = 79519961 is a prime.

Together with 79519961, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (79519961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39759981 + 39759982.

It is an arithmetic number, because the mean of its divisors is an integer number (39759982).

Almost surely, 2^79519963 is an apocalyptic number.

79519963 is a deficient number, since it is larger than the sum of its proper divisors (1).

79519963 is an equidigital number, since it uses as much as digits as its factorization.

79519963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 459270, while the sum is 49.

The square root of 79519963 is about 8917.3966492469. The cubic root of 79519963 is about 430.0233681189.

The spelling of 79519963 in words is "seventy-nine million, five hundred nineteen thousand, nine hundred sixty-three".