8068629987 has 12 divisors (see below), whose sum is σ = 12714204984. Its totient is φ = 4890078720.

The previous prime is 8068629949. The next prime is 8068630007. The reversal of 8068629987 is 7899268608.

It is not a de Polignac number, because 8068629987 - 2⁷ = 8068629859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8068629917) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40750558 + ... + 40750755.

It is an arithmetic number, because the mean of its divisors is an integer number (1059517082).

Almost surely, 2^8068629987 is an apocalyptic number.

8068629987 is a deficient number, since it is larger than the sum of its proper divisors (4645574997).

8068629987 is a wasteful number, since it uses less digits than its factorization.

8068629987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81501330 (or 81501327 counting only the distinct ones).

The product of its (nonzero) digits is 20901888, while the sum is 63.

The square root of 8068629987 is about 89825.5530848544. The cubic root of 8068629987 is about 2005.7028886576.

The spelling of 8068629987 in words is "eight billion, sixty-eight million, six hundred twenty-nine thousand, nine hundred eighty-seven".