8113961350587 has 32 divisors (see below), whose sum is σ = 10999877656320. Its totient is φ = 5319336903680.

The previous prime is 8113961350577. The next prime is 8113961350597. The reversal of 8113961350587 is 7850531693118.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (8113961350577) and next prime (8113961350597).

It is a cyclic number.

It is not a de Polignac number, because 8113961350587 - 2⁸ = 8113961350331 is a prime.

It is a super-2 number, since 2×8113961350587² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8113961350507) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49080787 + ... + 49245827.

It is an arithmetic number, because the mean of its divisors is an integer number (343746176760).

Almost surely, 2^{8113961350587} is an apocalyptic number.

8113961350587 is a deficient number, since it is larger than the sum of its proper divisors (2885916305733).

8113961350587 is a wasteful number, since it uses less digits than its factorization.

8113961350587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166043.

The product of its (nonzero) digits is 5443200, while the sum is 57.

The spelling of 8113961350587 in words is "eight trillion, one hundred thirteen billion, nine hundred sixty-one million, three hundred fifty thousand, five hundred eighty-seven".