91046555799 has 8 divisors (see below), whose sum is σ = 121474088832. Its totient is φ = 60658363320.

The previous prime is 91046555797. The next prime is 91046555833. The reversal of 91046555799 is 99755564019.

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

It is not a de Polignac number, because 91046555799 - 2¹ = 91046555797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91046555797) 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 7 ways as a sum of consecutive naturals, for example, 9829737 + ... + 9838994.

It is an arithmetic number, because the mean of its divisors is an integer number (15184261104).

Almost surely, 2^91046555799 is an apocalyptic number.

91046555799 is a deficient number, since it is larger than the sum of its proper divisors (30427533033).

91046555799 is a wasteful number, since it uses less digits than its factorization.

91046555799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19670277.

The product of its (nonzero) digits is 15309000, while the sum is 60.

The spelling of 91046555799 in words is "ninety-one billion, forty-six million, five hundred fifty-five thousand, seven hundred ninety-nine".