91871314 has 8 divisors (see below), whose sum is σ = 138732300. Its totient is φ = 45627216.

The previous prime is 91871293. The next prime is 91871341. The reversal of 91871314 is 41317819.

It can be written as a sum of positive squares in 2 ways, for example, as 63728289 + 28143025 = 7983^2 + 5305^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 91871314.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153849 + ... + 154444.

Almost surely, 2^91871314 is an apocalyptic number.

91871314 is a deficient number, since it is larger than the sum of its proper divisors (46860986).

91871314 is a wasteful number, since it uses less digits than its factorization.

91871314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308444.

The product of its digits is 6048, while the sum is 34.

The square root of 91871314 is about 9584.9524777121. The cubic root of 91871314 is about 451.2251617813.

It can be divided in two parts, 9187 and 1314, that added together give a palindrome (10501).

The spelling of 91871314 in words is "ninety-one million, eight hundred seventy-one thousand, three hundred fourteen".