11673473478 has 16 divisors (see below), whose sum is σ = 23530782720. Its totient is φ = 3860518536.

The previous prime is 11673473477. The next prime is 11673473489. The reversal of 11673473478 is 87437437611.

It is a self number, because there is not a number n which added to its sum of digits gives 11673473478.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11673473477) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7658998 + ... + 7660521.

It is an arithmetic number, because the mean of its divisors is an integer number (1470673920).

Almost surely, 2^11673473478 is an apocalyptic number.

11673473478 is an abundant number, since it is smaller than the sum of its proper divisors (11857309242).

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

11673473478 is a wasteful number, since it uses less digits than its factorization.

11673473478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15319651.

The product of its digits is 2370816, while the sum is 51.

The spelling of 11673473478 in words is "eleven billion, six hundred seventy-three million, four hundred seventy-three thousand, four hundred seventy-eight".