8660880998 has 64 divisors (see below), whose sum is σ = 17599610880. Its totient is φ = 3093616800.

The previous prime is 8660880971. The next prime is 8660881037. The reversal of 8660880998 is 8990880668.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (62).

8660880998 is a strobogrammatic number because it is the same when read upside-down.

It is a self number, because there is not a number n which added to its sum of digits gives 8660880998.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42965 + ... + 138447.

It is an arithmetic number, because the mean of its divisors is an integer number (274993920).

Almost surely, 2^8660880998 is an apocalyptic number.

8660880998 is an abundant number, since it is smaller than the sum of its proper divisors (8938729882).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8660880998 is a wasteful number, since it uses less digits than its factorization.

8660880998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95553.

The product of its (nonzero) digits is 11943936, while the sum is 62.

The square root of 8660880998 is about 93063.8544119037. The cubic root of 8660880998 is about 2053.6228618609.

The spelling of 8660880998 in words is "eight billion, six hundred sixty million, eight hundred eighty thousand, nine hundred ninety-eight".