84156744722 has 8 divisors (see below), whose sum is σ = 127460701056. Its totient is φ = 41669844372.

The previous prime is 84156744703. The next prime is 84156744761. The reversal of 84156744722 is 22744765148.

It is a happy number.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204263738 + ... + 204264149.

It is an arithmetic number, because the mean of its divisors is an integer number (15932587632).

Almost surely, 2^84156744722 is an apocalyptic number.

84156744722 is a deficient number, since it is larger than the sum of its proper divisors (43303956334).

84156744722 is a wasteful number, since it uses less digits than its factorization.

84156744722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408527992.

The product of its digits is 3010560, while the sum is 50.

The spelling of 84156744722 in words is "eighty-four billion, one hundred fifty-six million, seven hundred forty-four thousand, seven hundred twenty-two".