87968510208 has 54 divisors (see below), whose sum is σ = 253634908254. Its totient is φ = 29322835968.

The previous prime is 87968510207. The next prime is 87968510209. The reversal of 87968510208 is 80201586978.

It is an interprime number because it is at equal distance from previous prime (87968510207) and next prime (87968510209).

It can be written as a sum of positive squares in only one way, i.e., 54330015744 + 33638494464 = 233088^2 + 183408^2 .

It is not an unprimeable number, because it can be changed into a prime (87968510207) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19088085 + ... + 19092692.

Almost surely, 2^87968510208 is an apocalyptic number.

It is an amenable number.

87968510208 is an abundant number, since it is smaller than the sum of its proper divisors (165666398046).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87968510208 is a wasteful number, since it uses less digits than its factorization.

87968510208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38180799 (or 38180782 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 54.

The spelling of 87968510208 in words is "eighty-seven billion, nine hundred sixty-eight million, five hundred ten thousand, two hundred eight".