7125875856 has 400 divisors, whose sum is σ = 24118509888. Its totient is φ = 2032335360.

The previous prime is 7125875777. The next prime is 7125875903. The reversal of 7125875856 is 6585785217.

7125875856 is a `hidden beast` number, since 7 + 1 + 2 + 58 + 7 + 585 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 419169160 + ... + 419169176.

Almost surely, 2^7125875856 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 7125875856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12059254944).

7125875856 is an abundant number, since it is smaller than the sum of its proper divisors (16992634032).

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

7125875856 is an frugal number, since it uses more digits than its factorization.

7125875856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85 (or 33 counting only the distinct ones).

The product of its digits is 4704000, while the sum is 54.

The square root of 7125875856 is about 84414.9030444269. The cubic root of 7125875856 is about 1924.3294099588.

The spelling of 7125875856 in words is "seven billion, one hundred twenty-five million, eight hundred seventy-five thousand, eight hundred fifty-six".