4247158728 has 32 divisors (see below), whose sum is σ = 10620192960. Its totient is φ = 1415413440.

The previous prime is 4247158697. The next prime is 4247158759. The reversal of 4247158728 is 8278517424.

It is an interprime number because it is at equal distance from previous prime (4247158697) and next prime (4247158759).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112701 + ... + 145587.

It is an arithmetic number, because the mean of its divisors is an integer number (331881030).

Almost surely, 2^4247158728 is an apocalyptic number.

It is an amenable number.

4247158728 is an abundant number, since it is smaller than the sum of its proper divisors (6373034232).

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

4247158728 is a wasteful number, since it uses less digits than its factorization.

4247158728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38277 (or 38273 counting only the distinct ones).

The product of its digits is 1003520, while the sum is 48.

The square root of 4247158728 is about 65170.2288472275. The cubic root of 4247158728 is about 1619.4448547460. Note that the first 3 decimals are identical.

The spelling of 4247158728 in words is "four billion, two hundred forty-seven million, one hundred fifty-eight thousand, seven hundred twenty-eight".