7677506745 has 24 divisors (see below), whose sum is σ = 13337752896. Its totient is φ = 4085416608.

The previous prime is 7677506713. The next prime is 7677506761. The reversal of 7677506745 is 5476057767.

7677506745 is a `hidden beast` number, since 7 + 67 + 7 + 506 + 74 + 5 = 666.

It is not a de Polignac number, because 7677506745 - 2⁵ = 7677506713 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7677506691 and 7677506700.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 172629 + ... + 212498.

It is an arithmetic number, because the mean of its divisors is an integer number (555739704).

Almost surely, 2^7677506745 is an apocalyptic number.

It is an amenable number.

7677506745 is a deficient number, since it is larger than the sum of its proper divisors (5660246151).

7677506745 is a wasteful number, since it uses less digits than its factorization.

7677506745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385581 (or 385578 counting only the distinct ones).

The product of its (nonzero) digits is 8643600, while the sum is 54.

The square root of 7677506745 is about 87621.3829210656. The cubic root of 7677506745 is about 1972.7561330372.

The spelling of 7677506745 in words is "seven billion, six hundred seventy-seven million, five hundred six thousand, seven hundred forty-five".