878363036631 has 24 divisors (see below), whose sum is σ = 1274667114240. Its totient is φ = 582846936000.

The previous prime is 878363036591. The next prime is 878363036651. The reversal of 878363036631 is 136630363878.

It is not a de Polignac number, because 878363036631 - 2⁷ = 878363036503 is a prime.

It is a super-2 number, since 2×878363036631² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (878363036651) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2397706 + ... + 2739656.

It is an arithmetic number, because the mean of its divisors is an integer number (53111129760).

Almost surely, 2^878363036631 is an apocalyptic number.

878363036631 is a deficient number, since it is larger than the sum of its proper divisors (396304077609).

878363036631 is a wasteful number, since it uses less digits than its factorization.

878363036631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343287 (or 343284 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 54.

The spelling of 878363036631 in words is "eight hundred seventy-eight billion, three hundred sixty-three million, thirty-six thousand, six hundred thirty-one".