91927291100 has 36 divisors (see below), whose sum is σ = 199576294008. Its totient is φ = 36753576000.

The previous prime is 91927291073. The next prime is 91927291103. The reversal of 91927291100 is 119272919.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91927291103) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 2591 + ... + 428790.

Almost surely, 2^91927291100 is an apocalyptic number.

It is an amenable number.

91927291100 is an abundant number, since it is smaller than the sum of its proper divisors (107649002908).

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

91927291100 is a wasteful number, since it uses less digits than its factorization.

91927291100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433526 (or 433519 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 41.

The spelling of 91927291100 in words is "ninety-one billion, nine hundred twenty-seven million, two hundred ninety-one thousand, one hundred".