8513042757 has 16 divisors (see below), whose sum is σ = 12071374272. Its totient is φ = 5317978880.

The previous prime is 8513042737. The next prime is 8513042821. The reversal of 8513042757 is 7572403158.

It is a cyclic number.

It is not a de Polignac number, because 8513042757 - 2¹¹ = 8513040709 is a prime.

It is a super-2 number, since 2×8513042757² (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 (8513042737) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 356094 + ... + 379247.

It is an arithmetic number, because the mean of its divisors is an integer number (754460892).

Almost surely, 2^8513042757 is an apocalyptic number.

It is an amenable number.

8513042757 is a deficient number, since it is larger than the sum of its proper divisors (3558331515).

8513042757 is a wasteful number, since it uses less digits than its factorization.

8513042757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 735588.

The product of its (nonzero) digits is 235200, while the sum is 42.

The square root of 8513042757 is about 92266.1517404947. The cubic root of 8513042757 is about 2041.8708613437.

The spelling of 8513042757 in words is "eight billion, five hundred thirteen million, forty-two thousand, seven hundred fifty-seven".