91838445480382 has 64 divisors (see below), whose sum is σ = 149882077016064. Its totient is φ = 42038434897920.

The previous prime is 91838445480361. The next prime is 91838445480409. The reversal of 91838445480382 is 28308454483819.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 317830423 + ... + 318119245.

It is an arithmetic number, because the mean of its divisors is an integer number (2341907453376).

Almost surely, 2^{91838445480382} is an apocalyptic number.

91838445480382 is a deficient number, since it is larger than the sum of its proper divisors (58043631535682).

91838445480382 is a wasteful number, since it uses less digits than its factorization.

91838445480382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290113.

The product of its (nonzero) digits is 212336640, while the sum is 67.

The spelling of 91838445480382 in words is "ninety-one trillion, eight hundred thirty-eight billion, four hundred forty-five million, four hundred eighty thousand, three hundred eighty-two".