91876130061984 has 576 divisors, whose sum is σ = 291759587159040. Its totient is φ = 27314250485760.

The previous prime is 91876130061917. The next prime is 91876130062037. The reversal of 91876130061984 is 48916003167819.

91876130061984 is a `hidden beast` number, since 9 + 1 + 8 + 7 + 6 + 1 + 3 + 0 + 0 + 619 + 8 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 800654917 + ... + 800769659.

It is an arithmetic number, because the mean of its divisors is an integer number (506527061040).

Almost surely, 2^{91876130061984} 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 91876130061984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145879793579520).

91876130061984 is an abundant number, since it is smaller than the sum of its proper divisors (199883457097056).

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

91876130061984 is a wasteful number, since it uses less digits than its factorization.

91876130061984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114945 (or 114934 counting only the distinct ones).

The product of its (nonzero) digits is 15676416, while the sum is 63.

The spelling of 91876130061984 in words is "ninety-one trillion, eight hundred seventy-six billion, one hundred thirty million, sixty-one thousand, nine hundred eighty-four".