768477768 has 32 divisors (see below), whose sum is σ = 1965876000. Its totient is φ = 250201728.

The previous prime is 768477767. The next prime is 768477769. The reversal of 768477768 is 867774867.

It is an interprime number because it is at equal distance from previous prime (768477767) and next prime (768477769).

It is not an unprimeable number, because it can be changed into a prime (768477767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 371293 + ... + 373356.

It is an arithmetic number, because the mean of its divisors is an integer number (61433625).

Almost surely, 2^768477768 is an apocalyptic number.

It is an amenable number.

768477768 is an abundant number, since it is smaller than the sum of its proper divisors (1197398232).

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

768477768 is a wasteful number, since it uses less digits than its factorization.

768477768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744701 (or 744697 counting only the distinct ones).

The product of its digits is 22127616, while the sum is 60.

The square root of 768477768 is about 27721.4315647659. The cubic root of 768477768 is about 915.9612532316.

The spelling of 768477768 in words is "seven hundred sixty-eight million, four hundred seventy-seven thousand, seven hundred sixty-eight".