83761477238660 has 192 divisors, whose sum is σ = 192469132062144. Its totient is φ = 30433148928000.

The previous prime is 83761477238617. The next prime is 83761477238671. The reversal of 83761477238660 is 6683277416738.

It can be written as a sum of positive squares in 32 ways, for example, as 71608388806276 + 12153088432384 = 8462174^2 + 3486128^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18692583620 + ... + 18692588100.

It is an arithmetic number, because the mean of its divisors is an integer number (1002443396157).

Almost surely, 2^{83761477238660} 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 83761477238660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96234566031072).

83761477238660 is an abundant number, since it is smaller than the sum of its proper divisors (108707654823484).

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

83761477238660 is a wasteful number, since it uses less digits than its factorization.

83761477238660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6634 (or 6632 counting only the distinct ones).

The product of its (nonzero) digits is 341397504, while the sum is 68.

The spelling of 83761477238660 in words is "eighty-three trillion, seven hundred sixty-one billion, four hundred seventy-seven million, two hundred thirty-eight thousand, six hundred sixty".