91282663 has 8 divisors (see below), whose sum is σ = 94630032. Its totient is φ = 87981696.

The previous prime is 91282637. The next prime is 91282717. The reversal of 91282663 is 36628219.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-91282663 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91282603) 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, 7570 + ... + 15487.

It is an arithmetic number, because the mean of its divisors is an integer number (11828754).

Almost surely, 2^91282663 is an apocalyptic number.

91282663 is a deficient number, since it is larger than the sum of its proper divisors (3347369).

91282663 is a wasteful number, since it uses less digits than its factorization.

91282663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23201.

The product of its digits is 31104, while the sum is 37.

The square root of 91282663 is about 9554.1960938637. The cubic root of 91282663 is about 450.2593780389.

The spelling of 91282663 in words is "ninety-one million, two hundred eighty-two thousand, six hundred sixty-three".