973868868 has 144 divisors (see below), whose sum is σ = 3030168960. Its totient is φ = 257375232.

The previous prime is 973868849. The next prime is 973868869. The reversal of 973868868 is 868868379.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (973868869) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 250830 + ... + 254682.

It is an arithmetic number, because the mean of its divisors is an integer number (21042840).

Almost surely, 2^973868868 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 973868868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1515084480).

973868868 is an abundant number, since it is smaller than the sum of its proper divisors (2056300092).

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

973868868 is a wasteful number, since it uses less digits than its factorization.

973868868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3946 (or 3941 counting only the distinct ones).

The product of its digits is 27869184, while the sum is 63.

The square root of 973868868 is about 31206.8721277862. The cubic root of 973868868 is about 991.2126309932.

It can be divided in two parts, 9738 and 68868, that added together give a triangular number (78606 = T₃₉₆).

The spelling of 973868868 in words is "nine hundred seventy-three million, eight hundred sixty-eight thousand, eight hundred sixty-eight".