83711851120 has 40 divisors (see below), whose sum is σ = 195919022880. Its totient is φ = 33262982400.

The previous prime is 83711851063. The next prime is 83711851159. The reversal of 83711851120 is 2115811738.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 83711851120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3452815 + ... + 3476974.

It is an arithmetic number, because the mean of its divisors is an integer number (4897975572).

Almost surely, 2^83711851120 is an apocalyptic number.

83711851120 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

83711851120 is an abundant number, since it is smaller than the sum of its proper divisors (112207171760).

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

83711851120 is a wasteful number, since it uses less digits than its factorization.

83711851120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6929953 (or 6929947 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 37.

The spelling of 83711851120 in words is "eighty-three billion, seven hundred eleven million, eight hundred fifty-one thousand, one hundred twenty".