87815873021301 has 12 divisors (see below), whose sum is σ = 126847180806528. Its totient is φ = 58542978015144.

The previous prime is 87815873021293. The next prime is 87815873021447. The reversal of 87815873021301 is 10312037851878.

87815873021301 is a `hidden beast` number, since 8 + 7 + 8 + 1 + 587 + 3 + 0 + 21 + 30 + 1 = 666.

It is not a de Polignac number, because 87815873021301 - 2³ = 87815873021293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87815873021501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77517445 + ... + 78642138.

It is an arithmetic number, because the mean of its divisors is an integer number (10570598400544).

Almost surely, 2^{87815873021301} is an apocalyptic number.

It is an amenable number.

87815873021301 is a deficient number, since it is larger than the sum of its proper divisors (39031307785227).

87815873021301 is a wasteful number, since it uses less digits than its factorization.

87815873021301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156222072 (or 156222069 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 54.

The spelling of 87815873021301 in words is "eighty-seven trillion, eight hundred fifteen billion, eight hundred seventy-three million, twenty-one thousand, three hundred one".