763289868 has 144 divisors (see below), whose sum is σ = 2153886336. Its totient is φ = 207905280.

The previous prime is 763289837. The next prime is 763289893. The reversal of 763289868 is 868982367.

It is a super-2 number, since 2×763289868² = 1165222845182914848, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1186755 + ... + 1187397.

It is an arithmetic number, because the mean of its divisors is an integer number (14957544).

Almost surely, 2^763289868 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 763289868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1076943168).

763289868 is an abundant number, since it is smaller than the sum of its proper divisors (1390596468).

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

763289868 is a wasteful number, since it uses less digits than its factorization.

763289868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724 (or 699 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 57.

The square root of 763289868 is about 27627.7010987161. The cubic root of 763289868 is about 913.8954164691.

The spelling of 763289868 in words is "seven hundred sixty-three million, two hundred eighty-nine thousand, eight hundred sixty-eight".