87623980068 has 12 divisors (see below), whose sum is σ = 204455953520. Its totient is φ = 29207993352.

The previous prime is 87623980061. The next prime is 87623980099. The reversal of 87623980068 is 86008932678.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×87623980068² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (87623980061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3650999158 + ... + 3650999181.

Almost surely, 2^87623980068 is an apocalyptic number.

It is an amenable number.

87623980068 is an abundant number, since it is smaller than the sum of its proper divisors (116831973452).

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

87623980068 is a wasteful number, since it uses less digits than its factorization.

87623980068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7301998346 (or 7301998344 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 57.

The spelling of 87623980068 in words is "eighty-seven billion, six hundred twenty-three million, nine hundred eighty thousand, sixty-eight".