768228890 has 64 divisors (see below), whose sum is σ = 1664312832. Its totient is φ = 251558400.

The previous prime is 768228889. The next prime is 768228961. The reversal of 768228890 is 98822867.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52079 + ... + 65181.

It is an arithmetic number, because the mean of its divisors is an integer number (26004888).

Almost surely, 2^768228890 is an apocalyptic number.

768228890 is an abundant number, since it is smaller than the sum of its proper divisors (896083942).

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

768228890 is a wasteful number, since it uses less digits than its factorization.

768228890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13175.

The product of its (nonzero) digits is 774144, while the sum is 50.

The square root of 768228890 is about 27716.9422916742. The cubic root of 768228890 is about 915.8623619655.

The spelling of 768228890 in words is "seven hundred sixty-eight million, two hundred twenty-eight thousand, eight hundred ninety".