94939617887 has 4 divisors (see below), whose sum is σ = 94963232856. Its totient is φ = 94916002920.

The previous prime is 94939617881. The next prime is 94939617911. The reversal of 94939617887 is 78871693949.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 94939617887 - 2⁸ = 94939617631 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 94939617887.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (94939617881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11801453 + ... + 11809494.

It is an arithmetic number, because the mean of its divisors is an integer number (23740808214).

Almost surely, 2^94939617887 is an apocalyptic number.

94939617887 is a deficient number, since it is larger than the sum of its proper divisors (23614969).

94939617887 is a wasteful number, since it uses less digits than its factorization.

94939617887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23614968.

The product of its digits is 164602368, while the sum is 71.

The spelling of 94939617887 in words is "ninety-four billion, nine hundred thirty-nine million, six hundred seventeen thousand, eight hundred eighty-seven".