91625785879219 has 8 divisors (see below), whose sum is σ = 91858815007488. Its totient is φ = 91392779318400.

The previous prime is 91625785879183. The next prime is 91625785879237. The reversal of 91625785879219 is 91297858752619.

It is a happy number.

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 91625785879219 - 2⁴³ = 82829692857011 is a prime.

It is a super-2 number, since 2×91625785879219² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91625485879219) 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, 2503569 + ... + 13766605.

It is an arithmetic number, because the mean of its divisors is an integer number (11482351875936).

Almost surely, 2^{91625785879219} is an apocalyptic number.

91625785879219 is a deficient number, since it is larger than the sum of its proper divisors (233029128269).

91625785879219 is a wasteful number, since it uses less digits than its factorization.

91625785879219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11283725.

The product of its digits is 1371686400, while the sum is 79.

The spelling of 91625785879219 in words is "ninety-one trillion, six hundred twenty-five billion, seven hundred eighty-five million, eight hundred seventy-nine thousand, two hundred nineteen".