268887697974 has 24 divisors (see below), whose sum is σ = 665817157200. Its totient is φ = 76825056528.

The previous prime is 268887697963. The next prime is 268887698003. The reversal of 268887697974 is 479796788862.

It is a junction number, because it is equal to n+sod(n) for n = 268887697893 and 268887697902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1067014549 + ... + 1067014800.

It is an arithmetic number, because the mean of its divisors is an integer number (27742381550).

Almost surely, 2^268887697974 is an apocalyptic number.

268887697974 is an abundant number, since it is smaller than the sum of its proper divisors (396929459226).

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

268887697974 is a wasteful number, since it uses less digits than its factorization.

268887697974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2134029364 (or 2134029361 counting only the distinct ones).

The product of its digits is 4096770048, while the sum is 81.

The spelling of 268887697974 in words is "two hundred sixty-eight billion, eight hundred eighty-seven million, six hundred ninety-seven thousand, nine hundred seventy-four".