769454813868 has 288 divisors, whose sum is σ = 2055991025088. Its totient is φ = 222545756160.

The previous prime is 769454813843. The next prime is 769454813917. The reversal of 769454813868 is 868318454967.

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 95 ways as a sum of consecutive naturals, for example, 897846496 + ... + 897847352.

It is an arithmetic number, because the mean of its divisors is an integer number (7138857726).

Almost surely, 2^769454813868 is an apocalyptic number.

769454813868 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 769454813868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1027995512544).

769454813868 is an abundant number, since it is smaller than the sum of its proper divisors (1286536211220).

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

769454813868 is a wasteful number, since it uses less digits than its factorization.

769454813868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105 (or 1072 counting only the distinct ones).

The product of its digits is 278691840, while the sum is 69.

The spelling of 769454813868 in words is "seven hundred sixty-nine billion, four hundred fifty-four million, eight hundred thirteen thousand, eight hundred sixty-eight".