87530427 has 12 divisors (see below), whose sum is σ = 126641424. Its totient is φ = 58257360.

The previous prime is 87530423. The next prime is 87530459. The reversal of 87530427 is 72403578.

87530427 is a `hidden beast` number, since 87 + 530 + 42 + 7 = 666.

It is not a de Polignac number, because 87530427 - 2² = 87530423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 87530391 and 87530400.

It is not an unprimeable number, because it can be changed into a prime (87530423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2028 + ... + 13385.

It is an arithmetic number, because the mean of its divisors is an integer number (10553452).

Almost surely, 2^87530427 is an apocalyptic number.

87530427 is a deficient number, since it is larger than the sum of its proper divisors (39110997).

87530427 is a wasteful number, since it uses less digits than its factorization.

87530427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16050 (or 16047 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 87530427 is about 9355.7697171318. The cubic root of 87530427 is about 444.0034544411.

The spelling of 87530427 in words is "eighty-seven million, five hundred thirty thousand, four hundred twenty-seven".