867666768 has 40 divisors (see below), whose sum is σ = 2359447200. Its totient is φ = 273999744.

The previous prime is 867666733. The next prime is 867666769.

867666768 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (867666769) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 474783 + ... + 476606.

It is an arithmetic number, because the mean of its divisors is an integer number (58986180).

Almost surely, 2^867666768 is an apocalyptic number.

It is an amenable number.

867666768 is an abundant number, since it is smaller than the sum of its proper divisors (1491780432).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

867666768 is a wasteful number, since it uses less digits than its factorization.

867666768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 951419 (or 951413 counting only the distinct ones).

The product of its digits is 24385536, while the sum is 60.

The square root of 867666768 is about 29456.1838668895. The cubic root of 867666768 is about 953.7860979852.

The spelling of 867666768 in words is "eight hundred sixty-seven million, six hundred sixty-six thousand, seven hundred sixty-eight".