83858971000 has 64 divisors (see below), whose sum is σ = 224262866880. Its totient is φ = 28751644800.

The previous prime is 83858970997. The next prime is 83858971013. The reversal of 83858971000 is 17985838.

It is a congruent number.

It is an unprimeable number.

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, 5982927 + ... + 5996926.

It is an arithmetic number, because the mean of its divisors is an integer number (3504107295).

Almost surely, 2^83858971000 is an apocalyptic number.

It is an amenable number.

83858971000 is an abundant number, since it is smaller than the sum of its proper divisors (140403895880).

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

83858971000 is a wasteful number, since it uses less digits than its factorization.

83858971000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11979881 (or 11979867 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 49.

The spelling of 83858971000 in words is "eighty-three billion, eight hundred fifty-eight million, nine hundred seventy-one thousand".