870347663181747 has 20 divisors (see below), whose sum is σ = 1305729016895160. Its totient is φ = 577741510311264.

The previous prime is 870347663181707. The next prime is 870347663181767. The reversal of 870347663181747 is 747181366743078.

870347663181747 is a `hidden beast` number, since 8 + 7 + 0 + 3 + 476 + 6 + 3 + 1 + 81 + 74 + 7 = 666.

It is not a de Polignac number, because 870347663181747 - 2²³ = 870347654793139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (870347663181707) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 23057991597 + ... + 23058029342.

It is an arithmetic number, because the mean of its divisors is an integer number (65286450844758).

Almost surely, 2^{870347663181747} is an apocalyptic number.

870347663181747 is a deficient number, since it is larger than the sum of its proper divisors (435381353713413).

870347663181747 is a wasteful number, since it uses less digits than its factorization.

870347663181747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46116021184 (or 46116021175 counting only the distinct ones).

The product of its (nonzero) digits is 796594176, while the sum is 72.

The spelling of 870347663181747 in words is "eight hundred seventy trillion, three hundred forty-seven billion, six hundred sixty-three million, one hundred eighty-one thousand, seven hundred forty-seven".