870678055158255 has 48 divisors (see below), whose sum is σ = 1512203408404416. Its totient is φ = 463429936327680.

The previous prime is 870678055158253. The next prime is 870678055158319. The reversal of 870678055158255 is 552851550876078.

870678055158255 is a `hidden beast` number, since 8 + 7 + 0 + 6 + 7 + 80 + 5 + 515 + 8 + 25 + 5 = 666.

It is not a de Polignac number, because 870678055158255 - 2¹ = 870678055158253 is a prime.

It is a super-2 number, since 2×870678055158255² (a number of 31 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870678055158253) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1345847965 + ... + 1346494745.

It is an arithmetic number, because the mean of its divisors is an integer number (31504237675092).

Almost surely, 2^{870678055158255} is an apocalyptic number.

870678055158255 is a deficient number, since it is larger than the sum of its proper divisors (641525353246161).

870678055158255 is a wasteful number, since it uses less digits than its factorization.

870678055158255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706768 (or 706765 counting only the distinct ones).

The product of its (nonzero) digits is 940800000, while the sum is 72.

The spelling of 870678055158255 in words is "eight hundred seventy trillion, six hundred seventy-eight billion, fifty-five million, one hundred fifty-eight thousand, two hundred fifty-five".