868975147 has 2 divisors, whose sum is σ = 868975148. Its totient is φ = 868975146.

The previous prime is 868975117. The next prime is 868975157. The reversal of 868975147 is 741579868.

868975147 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 868975147 - 2¹⁵ = 868942379 is a prime.

It is a super-2 number, since 2×868975147² = 1510235612207343218, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (868975117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 434487573 + 434487574.

It is an arithmetic number, because the mean of its divisors is an integer number (434487574).

Almost surely, 2^868975147 is an apocalyptic number.

868975147 is a deficient number, since it is larger than the sum of its proper divisors (1).

868975147 is an equidigital number, since it uses as much as digits as its factorization.

868975147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3386880, while the sum is 55.

The square root of 868975147 is about 29478.3844028129. The cubic root of 868975147 is about 954.2652707957.

The spelling of 868975147 in words is "eight hundred sixty-eight million, nine hundred seventy-five thousand, one hundred forty-seven".