78463288360631 has 2 divisors, whose sum is σ = 78463288360632. Its totient is φ = 78463288360630.

The previous prime is 78463288360601. The next prime is 78463288360649. The reversal of 78463288360631 is 13606388236487.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 78463288360631 - 2¹⁴ = 78463288344247 is a prime.

It is a super-2 number, since 2×78463288360631² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78463288360601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39231644180315 + 39231644180316.

It is an arithmetic number, because the mean of its divisors is an integer number (39231644180316).

Almost surely, 2^{78463288360631} is an apocalyptic number.

78463288360631 is a deficient number, since it is larger than the sum of its proper divisors (1).

78463288360631 is an equidigital number, since it uses as much as digits as its factorization.

78463288360631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 167215104, while the sum is 65.

The spelling of 78463288360631 in words is "seventy-eight trillion, four hundred sixty-three billion, two hundred eighty-eight million, three hundred sixty thousand, six hundred thirty-one".