91968854 has 16 divisors (see below), whose sum is σ = 146577600. Its totient is φ = 43155144.

The previous prime is 91968853. The next prime is 91968857. The reversal of 91968854 is 45886919.

It is a happy number.

It is a super-3 number, since 3×91968854³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91968853) 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, 7244 + ... + 15375.

It is an arithmetic number, because the mean of its divisors is an integer number (9161100).

Almost surely, 2^91968854 is an apocalyptic number.

91968854 is a deficient number, since it is larger than the sum of its proper divisors (54608746).

91968854 is a wasteful number, since it uses less digits than its factorization.

91968854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22747.

The product of its digits is 622080, while the sum is 50.

The square root of 91968854 is about 9590.0393117025. The cubic root of 91968854 is about 451.3847942552.

The spelling of 91968854 in words is "ninety-one million, nine hundred sixty-eight thousand, eight hundred fifty-four".