87894193 has 8 divisors (see below), whose sum is σ = 91637568. Its totient is φ = 84228144.

The previous prime is 87894179. The next prime is 87894197. The reversal of 87894193 is 39149878.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 87894193 - 2⁹ = 87893681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87894197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17005 + ... + 21562.

It is an arithmetic number, because the mean of its divisors is an integer number (11454696).

Almost surely, 2^87894193 is an apocalyptic number.

It is an amenable number.

87894193 is a deficient number, since it is larger than the sum of its proper divisors (3743375).

87894193 is a wasteful number, since it uses less digits than its factorization.

87894193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38663.

The product of its digits is 435456, while the sum is 49.

The square root of 87894193 is about 9375.1902914021. The cubic root of 87894193 is about 444.6176794517.

The spelling of 87894193 in words is "eighty-seven million, eight hundred ninety-four thousand, one hundred ninety-three".