7761561561060 has 48 divisors (see below), whose sum is σ = 21732524995776. Its totient is φ = 2069735213952.

The previous prime is 7761561561059. The next prime is 7761561561077. The reversal of 7761561561060 is 601651651677.

It is a super-2 number, since 2×7761561561060² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7761561560994 and 7761561561012.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10241979 + ... + 10973661.

It is an arithmetic number, because the mean of its divisors is an integer number (452760937412).

Almost surely, 2^{7761561561060} is an apocalyptic number.

It is an amenable number.

7761561561060 is an abundant number, since it is smaller than the sum of its proper divisors (13970963434716).

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

7761561561060 is a wasteful number, since it uses less digits than its factorization.

7761561561060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 908492 (or 908490 counting only the distinct ones).

The product of its (nonzero) digits is 1587600, while the sum is 51.

The spelling of 7761561561060 in words is "seven trillion, seven hundred sixty-one billion, five hundred sixty-one million, five hundred sixty-one thousand, sixty".