87697388578752 has 42 divisors (see below), whose sum is σ = 251368730111928. Its totient is φ = 29232462859392.

The previous prime is 87697388578733. The next prime is 87697388578757. The reversal of 87697388578752 is 25787588379678.

It is a happy number.

87697388578752 is a `hidden beast` number, since 8 + 7 + 6 + 97 + 388 + 5 + 78 + 75 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87697388578757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 76126204788 + ... + 76126205939.

Almost surely, 2^{87697388578752} is an apocalyptic number.

It is an amenable number.

87697388578752 is an abundant number, since it is smaller than the sum of its proper divisors (163671341533176).

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

87697388578752 is a wasteful number, since it uses less digits than its factorization.

87697388578752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152252410745 (or 152252410732 counting only the distinct ones).

The product of its digits is 79659417600, while the sum is 90.

The spelling of 87697388578752 in words is "eighty-seven trillion, six hundred ninety-seven billion, three hundred eighty-eight million, five hundred seventy-eight thousand, seven hundred fifty-two".