7677945168 has 20 divisors (see below), whose sum is σ = 19834691808. Its totient is φ = 2559315040.

The previous prime is 7677945151. The next prime is 7677945269. The reversal of 7677945168 is 8615497767.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79978548 + ... + 79978643.

Almost surely, 2^7677945168 is an apocalyptic number.

It is an amenable number.

7677945168 is an abundant number, since it is smaller than the sum of its proper divisors (12156746640).

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

7677945168 is a wasteful number, since it uses less digits than its factorization.

7677945168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159957202 (or 159957196 counting only the distinct ones).

The product of its digits is 17781120, while the sum is 60.

The square root of 7677945168 is about 87623.8846890504. The cubic root of 7677945168 is about 1972.7936836478.

The spelling of 7677945168 in words is "seven billion, six hundred seventy-seven million, nine hundred forty-five thousand, one hundred sixty-eight".