7766506827 has 16 divisors (see below), whose sum is σ = 11651584000. Its totient is φ = 5112129672.

The previous prime is 7766506799. The next prime is 7766506829. The reversal of 7766506827 is 7286056677.

7766506827 is a `hidden beast` number, since 77 + 66 + 506 + 8 + 2 + 7 = 666.

It is not a de Polignac number, because 7766506827 - 2¹⁸ = 7766244683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7766506829) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1818427 + ... + 1822692.

It is an arithmetic number, because the mean of its divisors is an integer number (728224000).

Almost surely, 2^7766506827 is an apocalyptic number.

7766506827 is a deficient number, since it is larger than the sum of its proper divisors (3885077173).

7766506827 is a wasteful number, since it uses less digits than its factorization.

7766506827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3641207 (or 3641201 counting only the distinct ones).

The product of its (nonzero) digits is 5927040, while the sum is 54.

The square root of 7766506827 is about 88127.7869176346. The cubic root of 7766506827 is about 1980.3498027520.

The spelling of 7766506827 in words is "seven billion, seven hundred sixty-six million, five hundred six thousand, eight hundred twenty-seven".