6787811151 has 32 divisors (see below), whose sum is σ = 11078864640. Its totient is φ = 4073076000.

The previous prime is 6787811141. The next prime is 6787811159. The reversal of 6787811151 is 1511187876.

It is a happy number.

It is not a de Polignac number, because 6787811151 - 2⁶ = 6787811087 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6787811097 and 6787811106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6787811159) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 83145 + ... + 143138.

It is an arithmetic number, because the mean of its divisors is an integer number (346214520).

Almost surely, 2^6787811151 is an apocalyptic number.

6787811151 is a deficient number, since it is larger than the sum of its proper divisors (4291053489).

6787811151 is a wasteful number, since it uses less digits than its factorization.

6787811151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226404 (or 226398 counting only the distinct ones).

The product of its digits is 94080, while the sum is 45.

The square root of 6787811151 is about 82388.1736112653. The cubic root of 6787811151 is about 1893.4038258327.

The spelling of 6787811151 in words is "six billion, seven hundred eighty-seven million, eight hundred eleven thousand, one hundred fifty-one".