87294893 has 16 divisors (see below), whose sum is σ = 101188224. Its totient is φ = 73766400.

The previous prime is 87294887. The next prime is 87294917. The reversal of 87294893 is 39849278.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-87294893 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 (87294833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 217493 + ... + 217893.

It is an arithmetic number, because the mean of its divisors is an integer number (6324264).

Almost surely, 2^87294893 is an apocalyptic number.

It is an amenable number.

87294893 is a deficient number, since it is larger than the sum of its proper divisors (13893331).

87294893 is a wasteful number, since it uses less digits than its factorization.

87294893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772.

The product of its digits is 870912, while the sum is 50.

The square root of 87294893 is about 9343.1736042953. The cubic root of 87294893 is about 443.6048431393.

The spelling of 87294893 in words is "eighty-seven million, two hundred ninety-four thousand, eight hundred ninety-three".