87681153 has 16 divisors (see below), whose sum is σ = 133750656. Its totient is φ = 50050560.

The previous prime is 87681151. The next prime is 87681161. The reversal of 87681153 is 35118678.

It is not a de Polignac number, because 87681153 - 2¹ = 87681151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87681151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27313 + ... + 30353.

It is an arithmetic number, because the mean of its divisors is an integer number (8359416).

Almost surely, 2^87681153 is an apocalyptic number.

It is an amenable number.

87681153 is a deficient number, since it is larger than the sum of its proper divisors (46069503).

87681153 is a wasteful number, since it uses less digits than its factorization.

87681153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4424.

The product of its digits is 40320, while the sum is 39.

The square root of 87681153 is about 9363.8214955220. The cubic root of 87681153 is about 444.2581639187.

The spelling of 87681153 in words is "eighty-seven million, six hundred eighty-one thousand, one hundred fifty-three".