83946889986 has 32 divisors (see below), whose sum is σ = 176800821120. Its totient is φ = 26520113664.

The previous prime is 83946889951. The next prime is 83946889993. The reversal of 83946889986 is 68998864938.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2775375 + ... + 2805458.

It is an arithmetic number, because the mean of its divisors is an integer number (5525025660).

Almost surely, 2^83946889986 is an apocalyptic number.

83946889986 is an abundant number, since it is smaller than the sum of its proper divisors (92853931134).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83946889986 is a wasteful number, since it uses less digits than its factorization.

83946889986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5580970.

The product of its digits is 1289945088, while the sum is 78.

The spelling of 83946889986 in words is "eighty-three billion, nine hundred forty-six million, eight hundred eighty-nine thousand, nine hundred eighty-six".