8678561900 has 18 divisors (see below), whose sum is σ = 18832479540. Its totient is φ = 3471424720.

The previous prime is 8678561887. The next prime is 8678561911. The reversal of 8678561900 is 91658768.

It is a happy number.

It is a super-2 number, since 2×8678561900² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 43392710 + ... + 43392909.

Almost surely, 2^8678561900 is an apocalyptic number.

It is an amenable number.

8678561900 is an abundant number, since it is smaller than the sum of its proper divisors (10153917640).

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

8678561900 is a wasteful number, since it uses less digits than its factorization.

8678561900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86785633 (or 86785626 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 50.

The square root of 8678561900 is about 93158.7993696784. The cubic root of 8678561900 is about 2055.0193796851.

The spelling of 8678561900 in words is "eight billion, six hundred seventy-eight million, five hundred sixty-one thousand, nine hundred".