36068217891 has 8 divisors (see below), whose sum is σ = 48097255440. Its totient is φ = 24042329472.

The previous prime is 36068217853. The next prime is 36068217923. The reversal of 36068217891 is 19871286063.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 36068217891 - 2²⁵ = 36034663459 is a prime.

It is not an unprimeable number, because it can be changed into a prime (36068217811) 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, 760426 + ... + 806463.

It is an arithmetic number, because the mean of its divisors is an integer number (6012156930).

Almost surely, 2^36068217891 is an apocalyptic number.

36068217891 is a deficient number, since it is larger than the sum of its proper divisors (12029037549).

36068217891 is a wasteful number, since it uses less digits than its factorization.

36068217891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1574565.

The product of its (nonzero) digits is 870912, while the sum is 51.

The spelling of 36068217891 in words is "thirty-six billion, sixty-eight million, two hundred seventeen thousand, eight hundred ninety-one".