7125208578 has 96 divisors (see below), whose sum is σ = 16799258112. Its totient is φ = 2260483200.

The previous prime is 7125208577. The next prime is 7125208583. The reversal of 7125208578 is 8758025217.

7125208578 is a `hidden beast` number, since 71 + 2 + 5 + 2 + 0 + 8 + 578 = 666.

It is not an unprimeable number, because it can be changed into a prime (7125208577) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 915150 + ... + 922902.

It is an arithmetic number, because the mean of its divisors is an integer number (174992272).

Almost surely, 2^7125208578 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7125208578, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8399629056).

7125208578 is an abundant number, since it is smaller than the sum of its proper divisors (9674049534).

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

7125208578 is a wasteful number, since it uses less digits than its factorization.

7125208578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7862 (or 7850 counting only the distinct ones).

The product of its (nonzero) digits is 313600, while the sum is 45.

The square root of 7125208578 is about 84410.9505810709. The cubic root of 7125208578 is about 1924.2693423597.

The spelling of 7125208578 in words is "seven billion, one hundred twenty-five million, two hundred eight thousand, five hundred seventy-eight".