78884046763863 has 16 divisors (see below), whose sum is σ = 114741518866176. Its totient is φ = 47808060186240.

The previous prime is 78884046763859. The next prime is 78884046763883. The reversal of 78884046763863 is 36836764048887.

It is not a de Polignac number, because 78884046763863 - 2² = 78884046763859 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78884046763883) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7772995 + ... + 14771172.

It is an arithmetic number, because the mean of its divisors is an integer number (7171344929136).

Almost surely, 2^{78884046763863} is an apocalyptic number.

78884046763863 is a deficient number, since it is larger than the sum of its proper divisors (35857472102313).

78884046763863 is a wasteful number, since it uses less digits than its factorization.

78884046763863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22650214.

The product of its (nonzero) digits is 6242697216, while the sum is 78.

The spelling of 78884046763863 in words is "seventy-eight trillion, eight hundred eighty-four billion, forty-six million, seven hundred sixty-three thousand, eight hundred sixty-three".