7125885394 has 32 divisors (see below), whose sum is σ = 11213769600. Its totient is φ = 3391785600.

The previous prime is 7125885383. The next prime is 7125885407. The reversal of 7125885394 is 4935885217.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1196877 + ... + 1202815.

It is an arithmetic number, because the mean of its divisors is an integer number (350430300).

Almost surely, 2^7125885394 is an apocalyptic number.

7125885394 is a deficient number, since it is larger than the sum of its proper divisors (4087884206).

7125885394 is a wasteful number, since it uses less digits than its factorization.

7125885394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6258.

The product of its digits is 2419200, while the sum is 52.

The square root of 7125885394 is about 84414.9595391717. The cubic root of 7125885394 is about 1924.3302685314.

The spelling of 7125885394 in words is "seven billion, one hundred twenty-five million, eight hundred eighty-five thousand, three hundred ninety-four".