91887937222003 has 8 divisors (see below), whose sum is σ = 99864095500400. Its totient is φ = 84041472574368.

The previous prime is 91887937221973. The next prime is 91887937222019. The reversal of 91887937222003 is 30022273978819.

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

It is a cyclic number.

It is not a de Polignac number, because 91887937222003 - 2³³ = 91879347287411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91887937222033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32423406213 + ... + 32423409046.

It is an arithmetic number, because the mean of its divisors is an integer number (12483011937550).

Almost surely, 2^{91887937222003} is an apocalyptic number.

91887937222003 is a deficient number, since it is larger than the sum of its proper divisors (7976158278397).

91887937222003 is a wasteful number, since it uses less digits than its factorization.

91887937222003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64846815381.

The product of its (nonzero) digits is 18289152, while the sum is 61.

The spelling of 91887937222003 in words is "ninety-one trillion, eight hundred eighty-seven billion, nine hundred thirty-seven million, two hundred twenty-two thousand, three".