768949090 has 32 divisors (see below), whose sum is σ = 1703520000. Its totient is φ = 243359424.

The previous prime is 768949063. The next prime is 768949109. The reversal of 768949090 is 90949867.

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 15 ways as a sum of consecutive naturals, for example, 421590 + ... + 423409.

It is an arithmetic number, because the mean of its divisors is an integer number (53235000).

Almost surely, 2^768949090 is an apocalyptic number.

768949090 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

768949090 is an abundant number, since it is smaller than the sum of its proper divisors (934570910).

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

768949090 is a wasteful number, since it uses less digits than its factorization.

768949090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 845026.

The product of its (nonzero) digits is 979776, while the sum is 52.

The square root of 768949090 is about 27729.9313017541. The cubic root of 768949090 is about 916.1484737684.

The spelling of 768949090 in words is "seven hundred sixty-eight million, nine hundred forty-nine thousand, ninety".