87985427 has 8 divisors (see below), whose sum is σ = 88715712. Its totient is φ = 87258600.

The previous prime is 87985423. The next prime is 87985433. The reversal of 87985427 is 72458978.

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 87985427 - 2² = 87985423 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87985423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74552 + ... + 75722.

It is an arithmetic number, because the mean of its divisors is an integer number (11089464).

Almost surely, 2^87985427 is an apocalyptic number.

87985427 is a deficient number, since it is larger than the sum of its proper divisors (730285).

87985427 is a wasteful number, since it uses less digits than its factorization.

87985427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1729.

The product of its digits is 1128960, while the sum is 50.

The square root of 87985427 is about 9380.0547439767. The cubic root of 87985427 is about 444.7714636812.

The spelling of 87985427 in words is "eighty-seven million, nine hundred eighty-five thousand, four hundred twenty-seven".