78886468887 has 16 divisors (see below), whose sum is σ = 105326766720. Its totient is φ = 52518620000.

The previous prime is 78886468877. The next prime is 78886468907.

78886468887 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 78886468887 - 2²⁶ = 78819360023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78886468877) 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, 14337637 + ... + 14343137.

It is an arithmetic number, because the mean of its divisors is an integer number (6582922920).

Almost surely, 2^78886468887 is an apocalyptic number.

78886468887 is a deficient number, since it is larger than the sum of its proper divisors (26440297833).

78886468887 is a wasteful number, since it uses less digits than its factorization.

78886468887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11214.

The product of its digits is 1849688064, while the sum is 78.

The spelling of 78886468887 in words is "seventy-eight billion, eight hundred eighty-six million, four hundred sixty-eight thousand, eight hundred eighty-seven".