91357875319 has 8 divisors (see below), whose sum is σ = 93374012592. Its totient is φ = 89363534400.

The previous prime is 91357875317. The next prime is 91357875353.

91357875319 is nontrivially palindromic in base 10.

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 91357875319 - 2¹ = 91357875317 is a prime.

It is a super-2 number, since 2×91357875319² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91357875317) 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 7 ways as a sum of consecutive naturals, for example, 5440614 + ... + 5457379.

It is an arithmetic number, because the mean of its divisors is an integer number (11671751574).

Almost surely, 2^91357875319 is an apocalyptic number.

91357875319 is a deficient number, since it is larger than the sum of its proper divisors (2016137273).

91357875319 is a wasteful number, since it uses less digits than its factorization.

91357875319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10898177.

The product of its digits is 7144200, while the sum is 58.

The spelling of 91357875319 in words is "ninety-one billion, three hundred fifty-seven million, eight hundred seventy-five thousand, three hundred nineteen".