87813247510611 has 64 divisors (see below), whose sum is σ = 159773926210560. Its totient is φ = 46522407697920.

The previous prime is 87813247510607. The next prime is 87813247510727. The reversal of 87813247510611 is 11601574231878.

It is a happy number.

87813247510611 is a `hidden beast` number, since 8 + 7 + 8 + 1 + 3 + 2 + 4 + 7 + 5 + 10 + 611 = 666.

It is not a de Polignac number, because 87813247510611 - 2² = 87813247510607 is a prime.

It is a super-2 number, since 2×87813247510611² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (87813247010611) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 203744500 + ... + 204175041.

It is an arithmetic number, because the mean of its divisors is an integer number (2496467597040).

Almost surely, 2^{87813247510611} is an apocalyptic number.

87813247510611 is a deficient number, since it is larger than the sum of its proper divisors (71960678699949).

87813247510611 is a wasteful number, since it uses less digits than its factorization.

87813247510611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407919641 (or 407919635 counting only the distinct ones).

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

The spelling of 87813247510611 in words is "eighty-seven trillion, eight hundred thirteen billion, two hundred forty-seven million, five hundred ten thousand, six hundred eleven".