870197808263 has 32 divisors (see below), whose sum is σ = 1029079586304. Its totient is φ = 720411449472.

The previous prime is 870197808257. The next prime is 870197808281. The reversal of 870197808263 is 362808791078.

It is a cyclic number.

It is not a de Polignac number, because 870197808263 - 2¹⁶ = 870197742727 is a prime.

It is a super-2 number, since 2×870197808263² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870197808163) 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, 40431581 + ... + 40453097.

It is an arithmetic number, because the mean of its divisors is an integer number (32158737072).

Almost surely, 2^870197808263 is an apocalyptic number.

870197808263 is a deficient number, since it is larger than the sum of its proper divisors (158881778041).

870197808263 is a wasteful number, since it uses less digits than its factorization.

870197808263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23271.

The product of its (nonzero) digits is 8128512, while the sum is 59.

The spelling of 870197808263 in words is "eight hundred seventy billion, one hundred ninety-seven million, eight hundred eight thousand, two hundred sixty-three".