91886336050 has 96 divisors (see below), whose sum is σ = 182508318720. Its totient is φ = 34319246400.

The previous prime is 91886336041. The next prime is 91886336057. The reversal of 91886336050 is 5063368819.

It is a junction number, because it is equal to n+sod(n) for n = 91886335985 and 91886336003.

It is not an unprimeable number, because it can be changed into a prime (91886336057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21818445 + ... + 21822655.

It is an arithmetic number, because the mean of its divisors is an integer number (1901128320).

Almost surely, 2^91886336050 is an apocalyptic number.

91886336050 is a deficient number, since it is larger than the sum of its proper divisors (90621982670).

91886336050 is a wasteful number, since it uses less digits than its factorization.

91886336050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4568 (or 4563 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 49.

The spelling of 91886336050 in words is "ninety-one billion, eight hundred eighty-six million, three hundred thirty-six thousand, fifty".