84056644011 has 4 divisors (see below), whose sum is σ = 112075525352. Its totient is φ = 56037762672.

The previous prime is 84056643977. The next prime is 84056644013. The reversal of 84056644011 is 11044665048.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 84056644011 - 2²⁷ = 83922426283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84056644013) 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, 14009440666 + ... + 14009440671.

It is an arithmetic number, because the mean of its divisors is an integer number (28018881338).

Almost surely, 2^84056644011 is an apocalyptic number.

84056644011 is a deficient number, since it is larger than the sum of its proper divisors (28018881341).

84056644011 is a wasteful number, since it uses less digits than its factorization.

84056644011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28018881340.

The product of its (nonzero) digits is 92160, while the sum is 39.

The spelling of 84056644011 in words is "eighty-four billion, fifty-six million, six hundred forty-four thousand, eleven".