8513377047 has 16 divisors (see below), whose sum is σ = 14414183680. Its totient is φ = 4864786776.

The previous prime is 8513377039. The next prime is 8513377069. The reversal of 8513377047 is 7407733158.

It is not a de Polignac number, because 8513377047 - 2³ = 8513377039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8513376993 and 8513377011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8513377097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22521973 + ... + 22522350.

It is an arithmetic number, because the mean of its divisors is an integer number (900886480).

Almost surely, 2^8513377047 is an apocalyptic number.

8513377047 is a deficient number, since it is larger than the sum of its proper divisors (5900806633).

8513377047 is a wasteful number, since it uses less digits than its factorization.

8513377047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45044339 (or 45044333 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 45.

The square root of 8513377047 is about 92267.9632754511. The cubic root of 8513377047 is about 2041.8975877092.

The spelling of 8513377047 in words is "eight billion, five hundred thirteen million, three hundred seventy-seven thousand, forty-seven".