11747976894 has 12 divisors (see below), whose sum is σ = 25453949976. Its totient is φ = 3915992292.

The previous prime is 11747976883. The next prime is 11747976901. The reversal of 11747976894 is 49867974711.

11747976894 is a `hidden beast` number, since 1 + 1 + 7 + 479 + 76 + 8 + 94 = 666.

It is a super-2 number, since 2×11747976894² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 326332674 + ... + 326332709.

It is an arithmetic number, because the mean of its divisors is an integer number (2121162498).

Almost surely, 2^11747976894 is an apocalyptic number.

11747976894 is an abundant number, since it is smaller than the sum of its proper divisors (13705973082).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11747976894 is a wasteful number, since it uses less digits than its factorization.

11747976894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652665391 (or 652665388 counting only the distinct ones).

The product of its digits is 21337344, while the sum is 63.

The spelling of 11747976894 in words is "eleven billion, seven hundred forty-seven million, nine hundred seventy-six thousand, eight hundred ninety-four".