8125698672 has 480 divisors, whose sum is σ = 29360787456. Its totient is φ = 2040422400.

The previous prime is 8125698617. The next prime is 8125698683. The reversal of 8125698672 is 2768965218.

8125698672 is a `hidden beast` number, since 8 + 1 + 2 + 569 + 8 + 6 + 72 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 33716472 + ... + 33716712.

Almost surely, 2^8125698672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8125698672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14680393728).

8125698672 is an abundant number, since it is smaller than the sum of its proper divisors (21235088784).

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

8125698672 is a wasteful number, since it uses less digits than its factorization.

8125698672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389 (or 380 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 54.

The square root of 8125698672 is about 90142.6573382436. The cubic root of 8125698672 is about 2010.4205016123.

The spelling of 8125698672 in words is "eight billion, one hundred twenty-five million, six hundred ninety-eight thousand, six hundred seventy-two".