8357715213 has 8 divisors (see below), whose sum is σ = 11144371776. Its totient is φ = 5571434400.

The previous prime is 8357715211. The next prime is 8357715239. The reversal of 8357715213 is 3125177538.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8357715213 - 2¹ = 8357715211 is a prime.

It is a super-2 number, since 2×8357715213² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8357715211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37128 + ... + 134513.

It is an arithmetic number, because the mean of its divisors is an integer number (1393046472).

Almost surely, 2^8357715213 is an apocalyptic number.

It is an amenable number.

8357715213 is a deficient number, since it is larger than the sum of its proper divisors (2786656563).

8357715213 is a wasteful number, since it uses less digits than its factorization.

8357715213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187875.

The product of its digits is 176400, while the sum is 42.

The square root of 8357715213 is about 91420.5404326621. The cubic root of 8357715213 is about 2029.3760134959.

It can be divided in two parts, 83577 and 15213, that added together give a triangular number (98790 = T₄₄₄).

The spelling of 8357715213 in words is "eight billion, three hundred fifty-seven million, seven hundred fifteen thousand, two hundred thirteen".