867970663 has 6 divisors (see below), whose sum is σ = 1009680216. Its totient is φ = 743974812.

The previous prime is 867970661. The next prime is 867970693. The reversal of 867970663 is 366079768.

It is not a de Polignac number, because 867970663 - 2¹ = 867970661 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 867970663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (867970661) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8856795 + ... + 8856892.

It is an arithmetic number, because the mean of its divisors is an integer number (168280036).

Almost surely, 2^867970663 is an apocalyptic number.

867970663 is a deficient number, since it is larger than the sum of its proper divisors (141709553).

867970663 is a wasteful number, since it uses less digits than its factorization.

867970663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17713701 (or 17713694 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 52.

The square root of 867970663 is about 29461.3418397737. The cubic root of 867970663 is about 953.8974375778.

The spelling of 867970663 in words is "eight hundred sixty-seven million, nine hundred seventy thousand, six hundred sixty-three".