8661425674 has 16 divisors (see below), whose sum is σ = 14175526176. Its totient is φ = 3936377200.

The previous prime is 8661425657. The next prime is 8661425701. The reversal of 8661425674 is 4765241668.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125124 + ... + 181600.

It is an arithmetic number, because the mean of its divisors is an integer number (885970386).

Almost surely, 2^8661425674 is an apocalyptic number.

8661425674 is a deficient number, since it is larger than the sum of its proper divisors (5514100502).

8661425674 is a wasteful number, since it uses less digits than its factorization.

8661425674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63461.

The product of its digits is 1935360, while the sum is 49.

The square root of 8661425674 is about 93066.7807222319. The cubic root of 8661425674 is about 2053.6659112012.

The spelling of 8661425674 in words is "eight billion, six hundred sixty-one million, four hundred twenty-five thousand, six hundred seventy-four".