87699550768 has 20 divisors (see below), whose sum is σ = 179913049560. Its totient is φ = 41270376704.

The previous prime is 87699550727. The next prime is 87699550787. The reversal of 87699550768 is 86705599678.

It is a super-2 number, since 2×87699550768² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 87699550697 and 87699550706.

It is an unprimeable number.

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, 161212138 + ... + 161212681.

It is an arithmetic number, because the mean of its divisors is an integer number (8995652478).

Almost surely, 2^87699550768 is an apocalyptic number.

It is an amenable number.

87699550768 is an abundant number, since it is smaller than the sum of its proper divisors (92213498792).

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

87699550768 is a wasteful number, since it uses less digits than its factorization.

87699550768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322424844 (or 322424838 counting only the distinct ones).

The product of its (nonzero) digits is 228614400, while the sum is 70.

The spelling of 87699550768 in words is "eighty-seven billion, six hundred ninety-nine million, five hundred fifty thousand, seven hundred sixty-eight".