7761030056 has 32 divisors (see below), whose sum is σ = 16053546600. Its totient is φ = 3494645760.

The previous prime is 7761030019. The next prime is 7761030059. The reversal of 7761030056 is 6500301677.

It can be written as a sum of positive squares in 4 ways, for example, as 5857453156 + 1903576900 = 76534^2 + 43630^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7761029998 and 7761030025.

It is not an unprimeable number, because it can be changed into a prime (7761030059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 905801 + ... + 914328.

Almost surely, 2^7761030056 is an apocalyptic number.

It is an amenable number.

7761030056 is an abundant number, since it is smaller than the sum of its proper divisors (8292516544).

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

7761030056 is a wasteful number, since it uses less digits than its factorization.

7761030056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1820189 (or 1820185 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 35.

The square root of 7761030056 is about 88096.7085423740. The cubic root of 7761030056 is about 1979.8841934785.

The spelling of 7761030056 in words is "seven billion, seven hundred sixty-one million, thirty thousand, fifty-six".