7884747125 has 8 divisors (see below), whose sum is σ = 9840164568. Its totient is φ = 6307797600.

The previous prime is 7884747097. The next prime is 7884747127. The reversal of 7884747125 is 5217474887.

It can be written as a sum of positive squares in 4 ways, for example, as 206956996 + 7677790129 = 14386^2 + 87623^2 .

It is not a de Polignac number, because 7884747125 - 2¹⁰ = 7884746101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7884747127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31538864 + ... + 31539113.

It is an arithmetic number, because the mean of its divisors is an integer number (1230020571).

Almost surely, 2^7884747125 is an apocalyptic number.

It is an amenable number.

7884747125 is a deficient number, since it is larger than the sum of its proper divisors (1955417443).

7884747125 is an equidigital number, since it uses as much as digits as its factorization.

7884747125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63077992 (or 63077982 counting only the distinct ones).

The product of its digits is 3512320, while the sum is 53.

The square root of 7884747125 is about 88796.0985910980. The cubic root of 7884747125 is about 1990.3490987091.

The spelling of 7884747125 in words is "seven billion, eight hundred eighty-four million, seven hundred forty-seven thousand, one hundred twenty-five".