94987091 has 4 divisors (see below), whose sum is σ = 95062752. Its totient is φ = 94911432.

The previous prime is 94987063. The next prime is 94987111. The reversal of 94987091 is 19078949.

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 94987091 - 2⁶ = 94987027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (94987001) 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, 35915 + ... + 38468.

It is an arithmetic number, because the mean of its divisors is an integer number (23765688).

Almost surely, 2^94987091 is an apocalyptic number.

94987091 is a deficient number, since it is larger than the sum of its proper divisors (75661).

94987091 is a wasteful number, since it uses less digits than its factorization.

94987091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75660.

The product of its (nonzero) digits is 163296, while the sum is 47.

The square root of 94987091 is about 9746.1321045838. The cubic root of 94987091 is about 456.2695950551.

The spelling of 94987091 in words is "ninety-four million, nine hundred eighty-seven thousand, ninety-one".