36123478968 has 16 divisors (see below), whose sum is σ = 90308697480. Its totient is φ = 12041159648.

The previous prime is 36123478967. The next prime is 36123478997. The reversal of 36123478968 is 86987432163.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36123478961) 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, 752572455 + ... + 752572502.

Almost surely, 2^36123478968 is an apocalyptic number.

It is an amenable number.

36123478968 is an abundant number, since it is smaller than the sum of its proper divisors (54185218512).

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

36123478968 is a wasteful number, since it uses less digits than its factorization.

36123478968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1505144966 (or 1505144962 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 57.

The spelling of 36123478968 in words is "thirty-six billion, one hundred twenty-three million, four hundred seventy-eight thousand, nine hundred sixty-eight".