5157705617 has 4 divisors (see below), whose sum is σ = 5171533620. Its totient is φ = 5143877616.

The previous prime is 5157705583. The next prime is 5157705671. The reversal of 5157705617 is 7165077515.

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 3034247056 + 2123458561 = 55084^2 + 46081^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5157705617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5157705677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6913442 + ... + 6914187.

It is an arithmetic number, because the mean of its divisors is an integer number (1292883405).

Almost surely, 2^5157705617 is an apocalyptic number.

It is an amenable number.

5157705617 is a deficient number, since it is larger than the sum of its proper divisors (13828003).

5157705617 is a wasteful number, since it uses less digits than its factorization.

5157705617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13828002.

The product of its (nonzero) digits is 257250, while the sum is 44.

The square root of 5157705617 is about 71817.1679823146. The cubic root of 5157705617 is about 1727.7683607655.

The spelling of 5157705617 in words is "five billion, one hundred fifty-seven million, seven hundred five thousand, six hundred seventeen".