87708163 has 4 divisors (see below), whose sum is σ = 89363088. Its totient is φ = 86053240.

The previous prime is 87708139. The next prime is 87708169. The reversal of 87708163 is 36180778.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 87708163 - 2¹³ = 87699971 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (87708169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 827383 + ... + 827488.

It is an arithmetic number, because the mean of its divisors is an integer number (22340772).

Almost surely, 2^87708163 is an apocalyptic number.

87708163 is a deficient number, since it is larger than the sum of its proper divisors (1654925).

87708163 is a wasteful number, since it uses less digits than its factorization.

87708163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1654924.

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 87708163 is about 9365.2636375064. The cubic root of 87708163 is about 444.3037768419.

The spelling of 87708163 in words is "eighty-seven million, seven hundred eight thousand, one hundred sixty-three".