83477110688140 has 192 divisors, whose sum is σ = 191245029212160. Its totient is φ = 30424291107840.

The previous prime is 83477110688131. The next prime is 83477110688143. The reversal of 83477110688140 is 4188601177438.

It is not an unprimeable number, because it can be changed into a prime (83477110688143) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3746885521 + ... + 3746907799.

It is an arithmetic number, because the mean of its divisors is an integer number (996067860480).

Almost surely, 2^{83477110688140} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83477110688140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95622514606080).

83477110688140 is an abundant number, since it is smaller than the sum of its proper divisors (107767918524020).

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

83477110688140 is a wasteful number, since it uses less digits than its factorization.

83477110688140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23072 (or 23070 counting only the distinct ones).

The product of its (nonzero) digits is 7225344, while the sum is 58.

The spelling of 83477110688140 in words is "eighty-three trillion, four hundred seventy-seven billion, one hundred ten million, six hundred eighty-eight thousand, one hundred forty".