87427893 has 8 divisors (see below), whose sum is σ = 133223488. Its totient is φ = 49958784.

The previous prime is 87427883. The next prime is 87427897. The reversal of 87427893 is 39872478.

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

It is not a de Polignac number, because 87427893 - 2⁵ = 87427861 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 (87427897) 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, 2081596 + ... + 2081637.

It is an arithmetic number, because the mean of its divisors is an integer number (16652936).

Almost surely, 2^87427893 is an apocalyptic number.

It is an amenable number.

87427893 is a deficient number, since it is larger than the sum of its proper divisors (45795595).

87427893 is a wasteful number, since it uses less digits than its factorization.

87427893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4163243.

The product of its digits is 677376, while the sum is 48.

The square root of 87427893 is about 9350.2883912744. The cubic root of 87427893 is about 443.8300167020.

The spelling of 87427893 in words is "eighty-seven million, four hundred twenty-seven thousand, eight hundred ninety-three".