87856509806350 has 24 divisors (see below), whose sum is σ = 170518025991600. Its totient is φ = 33614664621120.

The previous prime is 87856509806297. The next prime is 87856509806371. The reversal of 87856509806350 is 5360890565878.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 87856509806350.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38198481375 + ... + 38198483674.

It is an arithmetic number, because the mean of its divisors is an integer number (7104917749650).

Almost surely, 2^{87856509806350} is an apocalyptic number.

87856509806350 is a deficient number, since it is larger than the sum of its proper divisors (82661516185250).

87856509806350 is a wasteful number, since it uses less digits than its factorization.

87856509806350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76396965084 (or 76396965079 counting only the distinct ones).

The product of its (nonzero) digits is 435456000, while the sum is 70.

The spelling of 87856509806350 in words is "eighty-seven trillion, eight hundred fifty-six billion, five hundred nine million, eight hundred six thousand, three hundred fifty".