91437620082 has 8 divisors (see below), whose sum is σ = 182875240176. Its totient is φ = 30479206692.

The previous prime is 91437620063. The next prime is 91437620093. The reversal of 91437620082 is 28002673419.

It is a sphenic number, since it is the product of 3 distinct primes.

91437620082 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7619801668 + ... + 7619801679.

It is an arithmetic number, because the mean of its divisors is an integer number (22859405022).

Almost surely, 2^91437620082 is an apocalyptic number.

91437620082 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

91437620082 is a wasteful number, since it uses less digits than its factorization.

91437620082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15239603352.

The product of its (nonzero) digits is 145152, while the sum is 42.

The spelling of 91437620082 in words is "ninety-one billion, four hundred thirty-seven million, six hundred twenty thousand, eighty-two".