8537376613 has 4 divisors (see below), whose sum is σ = 8831768940. Its totient is φ = 8242984288.

The previous prime is 8537376587. The next prime is 8537376643. The reversal of 8537376613 is 3166737358.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6700568449 + 1836808164 = 81857^2 + 42858^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8537376613 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 (8537376643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147196120 + ... + 147196177.

It is an arithmetic number, because the mean of its divisors is an integer number (2207942235).

Almost surely, 2^8537376613 is an apocalyptic number.

It is an amenable number.

8537376613 is a deficient number, since it is larger than the sum of its proper divisors (294392327).

8537376613 is a wasteful number, since it uses less digits than its factorization.

8537376613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294392326.

The product of its digits is 1905120, while the sum is 49.

The square root of 8537376613 is about 92397.9253717312. The cubic root of 8537376613 is about 2043.8145191027.

The spelling of 8537376613 in words is "eight billion, five hundred thirty-seven million, three hundred seventy-six thousand, six hundred thirteen".