6787066636 has 36 divisors (see below), whose sum is σ = 13839168168. Its totient is φ = 2903976768.

The previous prime is 6787066549. The next prime is 6787066661. The reversal of 6787066636 is 6366607876.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92871 + ... + 148993.

It is an arithmetic number, because the mean of its divisors is an integer number (384421338).

Almost surely, 2^6787066636 is an apocalyptic number.

It is an amenable number.

6787066636 is an abundant number, since it is smaller than the sum of its proper divisors (7052101532).

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

6787066636 is a wasteful number, since it uses less digits than its factorization.

6787066636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56758 (or 56749 counting only the distinct ones).

The product of its (nonzero) digits is 9144576, while the sum is 55.

The square root of 6787066636 is about 82383.6551507640. The cubic root of 6787066636 is about 1893.3345978661.

The spelling of 6787066636 in words is "six billion, seven hundred eighty-seven million, sixty-six thousand, six hundred thirty-six".