79061863 has 2 divisors, whose sum is σ = 79061864. Its totient is φ = 79061862.

The previous prime is 79061861. The next prime is 79061867. The reversal of 79061863 is 36816097.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 79061863 - 2¹ = 79061861 is a prime.

Together with 79061861, 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 (79061861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39530931 + 39530932.

It is an arithmetic number, because the mean of its divisors is an integer number (39530932).

Almost surely, 2^79061863 is an apocalyptic number.

79061863 is a deficient number, since it is larger than the sum of its proper divisors (1).

79061863 is an equidigital number, since it uses as much as digits as its factorization.

79061863 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 79061863 is about 8891.6738019340. The cubic root of 79061863 is about 429.1960152781.

It can be divided in two parts, 7906 and 1863, that multiplied together give a triangular number (14728878 = T₅₄₂₇).

The spelling of 79061863 in words is "seventy-nine million, sixty-one thousand, eight hundred sixty-three".