8078613903 has 6 divisors (see below), whose sum is σ = 11669108984. Its totient is φ = 5385742596.

The previous prime is 8078613901. The next prime is 8078613943. The reversal of 8078613903 is 3093168708.

It is a happy number.

It is not a de Polignac number, because 8078613903 - 2¹ = 8078613901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8078613901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 448811875 + ... + 448811892.

Almost surely, 2^8078613903 is an apocalyptic number.

8078613903 is a deficient number, since it is larger than the sum of its proper divisors (3590495081).

8078613903 is a wasteful number, since it uses less digits than its factorization.

8078613903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 897623773 (or 897623770 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 8078613903 is about 89881.1098229211. The cubic root of 8078613903 is about 2006.5298161322.

The spelling of 8078613903 in words is "eight billion, seventy-eight million, six hundred thirteen thousand, nine hundred three".