87867663 has 12 divisors (see below), whose sum is σ = 126862920. Its totient is φ = 54072096.

The previous prime is 87867649. The next prime is 87867667. The reversal of 87867663 is 36676878.

It is not a de Polignac number, because 87867663 - 2⁹ = 87867151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87867667) 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 11 ways as a sum of consecutive naturals, for example, 86148 + ... + 87161.

It is an arithmetic number, because the mean of its divisors is an integer number (10571910).

Almost surely, 2^87867663 is an apocalyptic number.

87867663 is a deficient number, since it is larger than the sum of its proper divisors (38995257).

87867663 is a wasteful number, since it uses less digits than its factorization.

87867663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173338 (or 173325 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 51.

The square root of 87867663 is about 9373.7752800032. The cubic root of 87867663 is about 444.5729404550.

The spelling of 87867663 in words is "eighty-seven million, eight hundred sixty-seven thousand, six hundred sixty-three".