78360263 has 2 divisors, whose sum is σ = 78360264. Its totient is φ = 78360262.

The previous prime is 78360229. The next prime is 78360323. The reversal of 78360263 is 36206387.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 78360263 - 2¹⁴ = 78343879 is a prime.

It is a super-2 number, since 2×78360263² = 12280661634858338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78360203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39180131 + 39180132.

It is an arithmetic number, because the mean of its divisors is an integer number (39180132).

Almost surely, 2^78360263 is an apocalyptic number.

78360263 is a deficient number, since it is larger than the sum of its proper divisors (1).

78360263 is an equidigital number, since it uses as much as digits as its factorization.

78360263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 78360263 is about 8852.1332457211. The cubic root of 78360263 is about 427.9226703247.

The spelling of 78360263 in words is "seventy-eight million, three hundred sixty thousand, two hundred sixty-three".