87681627 has 24 divisors (see below), whose sum is σ = 140237760. Its totient is φ = 52343280.

The previous prime is 87681619. The next prime is 87681641. The reversal of 87681627 is 72618678.

It is not a de Polignac number, because 87681627 - 2³ = 87681619 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87681667) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24 + ... + 13242.

It is an arithmetic number, because the mean of its divisors is an integer number (5843240).

Almost surely, 2^87681627 is an apocalyptic number.

87681627 is a deficient number, since it is larger than the sum of its proper divisors (52556133).

87681627 is a wasteful number, since it uses less digits than its factorization.

87681627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13303 (or 13300 counting only the distinct ones).

The product of its digits is 225792, while the sum is 45.

The square root of 87681627 is about 9363.8468056670. The cubic root of 87681627 is about 444.2589644632.

The spelling of 87681627 in words is "eighty-seven million, six hundred eighty-one thousand, six hundred twenty-seven".