768988776 has 16 divisors (see below), whose sum is σ = 1922472000. Its totient is φ = 256329584.

The previous prime is 768988769. The next prime is 768988783. The reversal of 768988776 is 677889867.

It is an interprime number because it is at equal distance from previous prime (768988769) and next prime (768988783).

It is a super-2 number, since 2×768988776² = 1182687475227956352, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16020576 + ... + 16020623.

It is an arithmetic number, because the mean of its divisors is an integer number (120154500).

Almost surely, 2^768988776 is an apocalyptic number.

It is an amenable number.

768988776 is an abundant number, since it is smaller than the sum of its proper divisors (1153483224).

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

768988776 is a wasteful number, since it uses less digits than its factorization.

768988776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32041208 (or 32041204 counting only the distinct ones).

The product of its digits is 56899584, while the sum is 66.

The square root of 768988776 is about 27730.6468730897. The cubic root of 768988776 is about 916.1642345182.

The spelling of 768988776 in words is "seven hundred sixty-eight million, nine hundred eighty-eight thousand, seven hundred seventy-six".