91715205323982 has 32 divisors (see below), whose sum is σ = 185156503357824. Its totient is φ = 30284089378400.

The previous prime is 91715205323971. The next prime is 91715205323999. The reversal of 91715205323982 is 28932350251719.

91715205323982 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 5558632 + ... + 14639972.

It is an arithmetic number, because the mean of its divisors is an integer number (5786140729932).

Almost surely, 2^{91715205323982} is an apocalyptic number.

91715205323982 is an abundant number, since it is smaller than the sum of its proper divisors (93441298033842).

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

91715205323982 is a wasteful number, since it uses less digits than its factorization.

91715205323982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9097184.

The product of its (nonzero) digits is 8164800, while the sum is 57.

The spelling of 91715205323982 in words is "ninety-one trillion, seven hundred fifteen billion, two hundred five million, three hundred twenty-three thousand, nine hundred eighty-two".