83711941820 has 48 divisors (see below), whose sum is σ = 195424819968. Its totient is φ = 29911956480.

The previous prime is 83711941813. The next prime is 83711941847. The reversal of 83711941820 is 2814911738.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5184989 + ... + 5201108.

It is an arithmetic number, because the mean of its divisors is an integer number (4071350416).

Almost surely, 2^83711941820 is an apocalyptic number.

It is an amenable number.

83711941820 is an abundant number, since it is smaller than the sum of its proper divisors (111712878148).

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

83711941820 is a wasteful number, since it uses less digits than its factorization.

83711941820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10386150 (or 10386148 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 44.

The spelling of 83711941820 in words is "eighty-three billion, seven hundred eleven million, nine hundred forty-one thousand, eight hundred twenty".