7764466220 has 24 divisors (see below), whose sum is σ = 18634719264. Its totient is φ = 2662102656.

The previous prime is 7764466211. The next prime is 7764466231. The reversal of 7764466220 is 226644677.

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 7 ways as a sum of consecutive naturals, for example, 27730097 + ... + 27730376.

It is an arithmetic number, because the mean of its divisors is an integer number (776446636).

Almost surely, 2^7764466220 is an apocalyptic number.

7764466220 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

7764466220 is an abundant number, since it is smaller than the sum of its proper divisors (10870253044).

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

7764466220 is a wasteful number, since it uses less digits than its factorization.

7764466220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55460489 (or 55460487 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 44.

The square root of 7764466220 is about 88116.2086111290. The cubic root of 7764466220 is about 1980.1763455493.

The spelling of 7764466220 in words is "seven billion, seven hundred sixty-four million, four hundred sixty-six thousand, two hundred twenty".