91956463 has 4 divisors (see below), whose sum is σ = 93464008. Its totient is φ = 90448920.

The previous prime is 91956457. The next prime is 91956467. The reversal of 91956463 is 36465919.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 91956463 - 2¹³ = 91948271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91956467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 753681 + ... + 753802.

It is an arithmetic number, because the mean of its divisors is an integer number (23366002).

Almost surely, 2^91956463 is an apocalyptic number.

91956463 is a deficient number, since it is larger than the sum of its proper divisors (1507545).

91956463 is a wasteful number, since it uses less digits than its factorization.

91956463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1507544.

The product of its digits is 174960, while the sum is 43.

The square root of 91956463 is about 9589.3932550501. The cubic root of 91956463 is about 451.3645215942.

The spelling of 91956463 in words is "ninety-one million, nine hundred fifty-six thousand, four hundred sixty-three".