8066787651 has 48 divisors (see below), whose sum is σ = 13116207104. Its totient is φ = 4924844064.

The previous prime is 8066787647. The next prime is 8066787671. The reversal of 8066787651 is 1567876608.

It is not a de Polignac number, because 8066787651 - 2² = 8066787647 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8066787671) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 391140 + ... + 411246.

Almost surely, 2^8066787651 is an apocalyptic number.

8066787651 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

8066787651 is a deficient number, since it is larger than the sum of its proper divisors (5049419453).

8066787651 is a wasteful number, since it uses less digits than its factorization.

8066787651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20262 (or 20250 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 54.

The square root of 8066787651 is about 89815.2974219871. The cubic root of 8066787651 is about 2005.5502208597.

The spelling of 8066787651 in words is "eight billion, sixty-six million, seven hundred eighty-seven thousand, six hundred fifty-one".