7766555460 has 96 divisors (see below), whose sum is σ = 22035320832. Its totient is φ = 2043740160.

The previous prime is 7766555437. The next prime is 7766555543. The reversal of 7766555460 is 645556677.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

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, 1468020 + ... + 1473300.

It is an arithmetic number, because the mean of its divisors is an integer number (229534592).

Almost surely, 2^7766555460 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7766555460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11017660416).

7766555460 is an abundant number, since it is smaller than the sum of its proper divisors (14268765372).

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

7766555460 is a wasteful number, since it uses less digits than its factorization.

7766555460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5613 (or 5611 counting only the distinct ones).

The product of its (nonzero) digits is 5292000, while the sum is 51.

The square root of 7766555460 is about 88128.0628403915. The cubic root of 7766555460 is about 1980.3539363200.

The spelling of 7766555460 in words is "seven billion, seven hundred sixty-six million, five hundred fifty-five thousand, four hundred sixty".