8705265657 has 8 divisors (see below), whose sum is σ = 12662204640. Its totient is φ = 5275918560.

The previous prime is 8705265643. The next prime is 8705265659. The reversal of 8705265657 is 7565625078.

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 8705265657 - 2⁴ = 8705265641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8705265659) 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, 131897932 + ... + 131897997.

It is an arithmetic number, because the mean of its divisors is an integer number (1582775580).

Almost surely, 2^8705265657 is an apocalyptic number.

It is an amenable number.

8705265657 is a deficient number, since it is larger than the sum of its proper divisors (3956938983).

8705265657 is a wasteful number, since it uses less digits than its factorization.

8705265657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263795943.

The product of its (nonzero) digits is 3528000, while the sum is 51.

The square root of 8705265657 is about 93302.0131454836. The cubic root of 8705265657 is about 2057.1249723678.

The spelling of 8705265657 in words is "eight billion, seven hundred five million, two hundred sixty-five thousand, six hundred fifty-seven".