8668557098 has 16 divisors (see below), whose sum is σ = 13584398760. Its totient is φ = 4143384000.

The previous prime is 8668557097. The next prime is 8668557103. The reversal of 8668557098 is 8907558668.

8668557098 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 7500079609 + 1168477489 = 86603^2 + 34183^2 .

It is a super-2 number, since 2×8668557098² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8668557098.

It is not an unprimeable number, because it can be changed into a prime (8668557097) 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 7 ways as a sum of consecutive naturals, for example, 734033 + ... + 745748.

Almost surely, 2^8668557098 is an apocalyptic number.

8668557098 is a deficient number, since it is larger than the sum of its proper divisors (4915841662).

8668557098 is a wasteful number, since it uses less digits than its factorization.

8668557098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1479913.

The product of its (nonzero) digits is 29030400, while the sum is 62.

The square root of 8668557098 is about 93105.0863164843. The cubic root of 8668557098 is about 2054.2293882876.

The spelling of 8668557098 in words is "eight billion, six hundred sixty-eight million, five hundred fifty-seven thousand, ninety-eight".