91826682840 has 96 divisors (see below), whose sum is σ = 298523160000. Its totient is φ = 24480023040.

The previous prime is 91826682791. The next prime is 91826682847. The reversal of 91826682840 is 4828662819.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91826682847) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1272036 + ... + 1342284.

It is an arithmetic number, because the mean of its divisors is an integer number (3109616250).

Almost surely, 2^91826682840 is an apocalyptic number.

91826682840 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

91826682840 is an abundant number, since it is smaller than the sum of its proper divisors (206696477160).

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

91826682840 is a wasteful number, since it uses less digits than its factorization.

91826682840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73897 (or 73890 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 54.

The spelling of 91826682840 in words is "ninety-one billion, eight hundred twenty-six million, six hundred eighty-two thousand, eight hundred forty".