768648051 has 24 divisors (see below), whose sum is σ = 1118969280. Its totient is φ = 508435200.

The previous prime is 768648043. The next prime is 768648071. The reversal of 768648051 is 150846867.

It is a happy number.

It is not a de Polignac number, because 768648051 - 2³ = 768648043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 768647988 and 768648006.

It is not an unprimeable number, because it can be changed into a prime (768648031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 843286 + ... + 844196.

It is an arithmetic number, because the mean of its divisors is an integer number (46623720).

Almost surely, 2^768648051 is an apocalyptic number.

768648051 is a deficient number, since it is larger than the sum of its proper divisors (350321229).

768648051 is a wasteful number, since it uses less digits than its factorization.

768648051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1547 (or 1544 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 768648051 is about 27724.5027187144. The cubic root of 768648051 is about 916.0289026018.

The spelling of 768648051 in words is "seven hundred sixty-eight million, six hundred forty-eight thousand, fifty-one".