84331683939 has 16 divisors (see below), whose sum is σ = 119509395200. Its totient is φ = 52745004576.

The previous prime is 84331683907. The next prime is 84331683941. The reversal of 84331683939 is 93938613348.

It is a happy number.

It is not a de Polignac number, because 84331683939 - 2⁵ = 84331683907 is a prime.

It is a super-2 number, since 2×84331683939² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84331683949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7176184 + ... + 7187925.

It is an arithmetic number, because the mean of its divisors is an integer number (7469337200).

Almost surely, 2^84331683939 is an apocalyptic number.

84331683939 is a deficient number, since it is larger than the sum of its proper divisors (35177711261).

84331683939 is a wasteful number, since it uses less digits than its factorization.

84331683939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14364234.

The product of its digits is 10077696, while the sum is 57.

The spelling of 84331683939 in words is "eighty-four billion, three hundred thirty-one million, six hundred eighty-three thousand, nine hundred thirty-nine".