87107427 has 32 divisors (see below), whose sum is σ = 145336320. Its totient is φ = 51084000.

The previous prime is 87107407. The next prime is 87107513. The reversal of 87107427 is 72470178.

It is not a de Polignac number, because 87107427 - 2⁷ = 87107299 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 87107391 and 87107400.

It is not an unprimeable number, because it can be changed into a prime (87107407) 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 31 ways as a sum of consecutive naturals, for example, 4477 + ... + 13937.

It is an arithmetic number, because the mean of its divisors is an integer number (4541760).

Almost surely, 2^87107427 is an apocalyptic number.

87107427 is a deficient number, since it is larger than the sum of its proper divisors (58228893).

87107427 is a wasteful number, since it uses less digits than its factorization.

87107427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9512 (or 9506 counting only the distinct ones).

The product of its (nonzero) digits is 21952, while the sum is 36.

The square root of 87107427 is about 9333.1359681513. The cubic root of 87107427 is about 443.2870680547.

The spelling of 87107427 in words is "eighty-seven million, one hundred seven thousand, four hundred twenty-seven".