7760780647 has 8 divisors (see below), whose sum is σ = 7797643776. Its totient is φ = 7723941432.

The previous prime is 7760780639. The next prime is 7760780663. The reversal of 7760780647 is 7460870677.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7760780647 - 2³ = 7760780639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7760780594 and 7760780603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7760780617) 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, 1224228 + ... + 1230550.

It is an arithmetic number, because the mean of its divisors is an integer number (974705472).

Almost surely, 2^7760780647 is an apocalyptic number.

7760780647 is a deficient number, since it is larger than the sum of its proper divisors (36863129).

7760780647 is a wasteful number, since it uses less digits than its factorization.

7760780647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11957.

The product of its (nonzero) digits is 2765952, while the sum is 52.

The square root of 7760780647 is about 88095.2929900344. The cubic root of 7760780647 is about 1979.8629846861.

The spelling of 7760780647 in words is "seven billion, seven hundred sixty million, seven hundred eighty thousand, six hundred forty-seven".