84633139181 has 16 divisors (see below), whose sum is σ = 85708808640. Its totient is φ = 83566158720.

The previous prime is 84633139163. The next prime is 84633139247. The reversal of 84633139181 is 18193133648.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 84633139181 - 2³⁴ = 67453269997 is a prime.

It is a super-2 number, since 2×84633139181² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84633139121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16886966 + ... + 16891976.

It is an arithmetic number, because the mean of its divisors is an integer number (5356800540).

Almost surely, 2^84633139181 is an apocalyptic number.

It is an amenable number.

84633139181 is a deficient number, since it is larger than the sum of its proper divisors (1075669459).

84633139181 is a wasteful number, since it uses less digits than its factorization.

84633139181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5836.

The product of its digits is 373248, while the sum is 47.

The spelling of 84633139181 in words is "eighty-four billion, six hundred thirty-three million, one hundred thirty-nine thousand, one hundred eighty-one".