8465705657 has 8 divisors (see below), whose sum is σ = 8858813184. Its totient is φ = 8074684288.

The previous prime is 8465705641. The next prime is 8465705693. The reversal of 8465705657 is 7565075648.

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

It is a cyclic number.

It is not a de Polignac number, because 8465705657 - 2⁴ = 8465705641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8465705599 and 8465705608.

It is not an unprimeable number, because it can be changed into a prime (8465705257) 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, 513233 + ... + 529470.

It is an arithmetic number, because the mean of its divisors is an integer number (1107351648).

Almost surely, 2^8465705657 is an apocalyptic number.

It is an amenable number.

8465705657 is a deficient number, since it is larger than the sum of its proper divisors (393107527).

8465705657 is a wasteful number, since it uses less digits than its factorization.

8465705657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1043079.

The product of its (nonzero) digits is 7056000, while the sum is 53.

The square root of 8465705657 is about 92009.2694080330. The cubic root of 8465705657 is about 2038.0791910406.

The spelling of 8465705657 in words is "eight billion, four hundred sixty-five million, seven hundred five thousand, six hundred fifty-seven".