867867258 has 32 divisors (see below), whose sum is σ = 1800806400. Its totient is φ = 278538480.

The previous prime is 867867241. The next prime is 867867277. The reversal of 867867258 is 852768768.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 867867198 and 867867207.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25291 + ... + 48737.

It is an arithmetic number, because the mean of its divisors is an integer number (56275200).

Almost surely, 2^867867258 is an apocalyptic number.

867867258 is an abundant number, since it is smaller than the sum of its proper divisors (932939142).

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

867867258 is a wasteful number, since it uses less digits than its factorization.

867867258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23682.

The product of its digits is 9031680, while the sum is 57.

The square root of 867867258 is about 29459.5868606469. The cubic root of 867867258 is about 953.8595554672.

The spelling of 867867258 in words is "eight hundred sixty-seven million, eight hundred sixty-seven thousand, two hundred fifty-eight".