8664707898 has 96 divisors (see below), whose sum is σ = 23563612800. Its totient is φ = 2235415680.

The previous prime is 8664707881. The next prime is 8664707923. The reversal of 8664707898 is 8987074668.

8664707898 is a `hidden beast` number, since 8 + 6 + 6 + 470 + 78 + 98 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 185536 + ... + 227492.

It is an arithmetic number, because the mean of its divisors is an integer number (245454300).

Almost surely, 2^8664707898 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8664707898, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11781806400).

8664707898 is an abundant number, since it is smaller than the sum of its proper divisors (14898904902).

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

8664707898 is a wasteful number, since it uses less digits than its factorization.

8664707898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42132 (or 42129 counting only the distinct ones).

The product of its (nonzero) digits is 32514048, while the sum is 63.

The square root of 8664707898 is about 93084.4127553051. The cubic root of 8664707898 is about 2053.9252888345.

The spelling of 8664707898 in words is "eight billion, six hundred sixty-four million, seven hundred seven thousand, eight hundred ninety-eight".