91327297963 has 8 divisors (see below), whose sum is σ = 99632445696. Its totient is φ = 83022594600.

The previous prime is 91327297931. The next prime is 91327297979. The reversal of 91327297963 is 36979272319.

It is a happy number.

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

It is not a de Polignac number, because 91327297963 - 2⁵ = 91327297931 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 91327297898 and 91327297907.

It is not an unprimeable number, because it can be changed into a prime (91327297063) 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, 435658 + ... + 610288.

It is an arithmetic number, because the mean of its divisors is an integer number (12454055712).

Almost surely, 2^91327297963 is an apocalyptic number.

91327297963 is a deficient number, since it is larger than the sum of its proper divisors (8305147733).

91327297963 is a wasteful number, since it uses less digits than its factorization.

91327297963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222185.

The product of its digits is 7715736, while the sum is 58.

The spelling of 91327297963 in words is "ninety-one billion, three hundred twenty-seven million, two hundred ninety-seven thousand, nine hundred sixty-three".