8658650057 has 2 divisors, whose sum is σ = 8658650058. Its totient is φ = 8658650056.

The previous prime is 8658650051. The next prime is 8658650101. The reversal of 8658650057 is 7500568568.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8227215616 + 431434441 = 90704^2 + 20771^2 .

It is a cyclic number.

It is not a de Polignac number, because 8658650057 - 2⁸ = 8658649801 is a prime.

It is a super-2 number, since 2×8658650057² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8658649987 and 8658650014.

It is not a weakly prime, because it can be changed into another prime (8658650051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4329325028 + 4329325029.

It is an arithmetic number, because the mean of its divisors is an integer number (4329325029).

Almost surely, 2^8658650057 is an apocalyptic number.

It is an amenable number.

8658650057 is a deficient number, since it is larger than the sum of its proper divisors (1).

8658650057 is an equidigital number, since it uses as much as digits as its factorization.

8658650057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016000, while the sum is 50.

The square root of 8658650057 is about 93051.8675632037. The cubic root of 8658650057 is about 2053.4465170265.

The spelling of 8658650057 in words is "eight billion, six hundred fifty-eight million, six hundred fifty thousand, fifty-seven".