4247987625 has 192 divisors, whose sum is σ = 9680186880. Its totient is φ = 1826496000.

The previous prime is 4247987617. The next prime is 4247987641. The reversal of 4247987625 is 5267897424.

4247987625 is a `hidden beast` number, since 4 + 2 + 4 + 7 + 9 + 8 + 7 + 625 = 666.

It is not a de Polignac number, because 4247987625 - 2³ = 4247987617 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 2810620 + ... + 2812130.

It is an arithmetic number, because the mean of its divisors is an integer number (50417640).

Almost surely, 2^4247987625 is an apocalyptic number.

4247987625 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4247987625 is an abundant number, since it is smaller than the sum of its proper divisors (5432199255).

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

4247987625 is a wasteful number, since it uses less digits than its factorization.

4247987625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1566 (or 1543 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 54.

The square root of 4247987625 is about 65176.5880128747. The cubic root of 4247987625 is about 1619.5502009119.

The spelling of 4247987625 in words is "four billion, two hundred forty-seven million, nine hundred eighty-seven thousand, six hundred twenty-five".