8103687929 has 6 divisors (see below), whose sum is σ = 8552646090. Its totient is φ = 7677177696.

The previous prime is 8103687913. The next prime is 8103687931. The reversal of 8103687929 is 9297863018.

It can be written as a sum of positive squares in only one way, i.e., 4634477929 + 3469210000 = 68077^2 + 58900^2 .

It is not a de Polignac number, because 8103687929 - 2⁴ = 8103687913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8103689929) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11223584 + ... + 11224305.

It is an arithmetic number, because the mean of its divisors is an integer number (1425441015).

Almost surely, 2^8103687929 is an apocalyptic number.

It is an amenable number.

8103687929 is a deficient number, since it is larger than the sum of its proper divisors (448958161).

8103687929 is a wasteful number, since it uses less digits than its factorization.

8103687929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22447927 (or 22447908 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 53.

The square root of 8103687929 is about 90020.4861628729. The cubic root of 8103687929 is about 2008.6035967404.

The spelling of 8103687929 in words is "eight billion, one hundred three million, six hundred eighty-seven thousand, nine hundred twenty-nine".