94891871 has 4 divisors (see below), whose sum is σ = 99886200. Its totient is φ = 89897544.

The previous prime is 94891861. The next prime is 94891891. The reversal of 94891871 is 17819849.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-94891871 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 (94891801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2497136 + ... + 2497173.

It is an arithmetic number, because the mean of its divisors is an integer number (24971550).

Almost surely, 2^94891871 is an apocalyptic number.

94891871 is a deficient number, since it is larger than the sum of its proper divisors (4994329).

94891871 is a wasteful number, since it uses less digits than its factorization.

94891871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4994328.

The product of its digits is 145152, while the sum is 47.

The square root of 94891871 is about 9741.2458648779. The cubic root of 94891871 is about 456.1170812907.

The spelling of 94891871 in words is "ninety-four million, eight hundred ninety-one thousand, eight hundred seventy-one".