36221929777 has 8 divisors (see below), whose sum is σ = 39668589792. Its totient is φ = 32800896000.

The previous prime is 36221929703. The next prime is 36221929781. The reversal of 36221929777 is 77792912263.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36221929777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36221959777) 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, 6403599 + ... + 6409252.

It is an arithmetic number, because the mean of its divisors is an integer number (4958573724).

Almost surely, 2^36221929777 is an apocalyptic number.

It is an amenable number.

36221929777 is a deficient number, since it is larger than the sum of its proper divisors (3446660015).

36221929777 is a wasteful number, since it uses less digits than its factorization.

36221929777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12813119.

The product of its digits is 4000752, while the sum is 55.

The spelling of 36221929777 in words is "thirty-six billion, two hundred twenty-one million, nine hundred twenty-nine thousand, seven hundred seventy-seven".