4247373387 has 18 divisors (see below), whose sum is σ = 5722014844. Its totient is φ = 2802458960.

The previous prime is 4247373367. The next prime is 4247373391. The reversal of 4247373387 is 7833737424.

4247373387 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4247373387 - 2¹⁵ = 4247340619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4247373367) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 21560173 + ... + 21560369.

Almost surely, 2^4247373387 is an apocalyptic number.

4247373387 is a deficient number, since it is larger than the sum of its proper divisors (1474641457).

4247373387 is an frugal number, since it uses more digits than its factorization.

4247373387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779 (or 391 counting only the distinct ones).

The product of its digits is 2370816, while the sum is 48.

The square root of 4247373387 is about 65171.8757363941. The cubic root of 4247373387 is about 1619.4721374997.

Multiplying 4247373387 by its sum of digits (48), we get a square (203873922576 = 451524²).

The spelling of 4247373387 in words is "four billion, two hundred forty-seven million, three hundred seventy-three thousand, three hundred eighty-seven".