868448975 has 24 divisors (see below), whose sum is σ = 1106952960. Its totient is φ = 675623520.

The previous prime is 868448969. The next prime is 868448981. The reversal of 868448975 is 579844868.

It is an interprime number because it is at equal distance from previous prime (868448969) and next prime (868448981).

It is a de Polignac number, because none of the positive numbers 2^k-868448975 is a prime.

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 129044 + ... + 135606.

It is an arithmetic number, because the mean of its divisors is an integer number (46123040).

Almost surely, 2^868448975 is an apocalyptic number.

868448975 is a deficient number, since it is larger than the sum of its proper divisors (238503985).

868448975 is a wasteful number, since it uses less digits than its factorization.

868448975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6719 (or 6714 counting only the distinct ones).

The product of its digits is 15482880, while the sum is 59.

The square root of 868448975 is about 29469.4583424942. The cubic root of 868448975 is about 954.0726266042.

The spelling of 868448975 in words is "eight hundred sixty-eight million, four hundred forty-eight thousand, nine hundred seventy-five".