3157847428 has 12 divisors (see below), whose sum is σ = 5528191312. Its totient is φ = 1578364200.

The previous prime is 3157847423. The next prime is 3157847437. The reversal of 3157847428 is 8247487513.

3157847428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (3157847423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127050 + ... + 149857.

Almost surely, 2^3157847428 is an apocalyptic number.

It is an amenable number.

3157847428 is a deficient number, since it is larger than the sum of its proper divisors (2370343884).

3157847428 is a wasteful number, since it uses less digits than its factorization.

3157847428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279762 (or 279760 counting only the distinct ones).

The product of its digits is 1505280, while the sum is 49.

The square root of 3157847428 is about 56194.7277598175. The cubic root of 3157847428 is about 1467.1135034069.

The spelling of 3157847428 in words is "three billion, one hundred fifty-seven million, eight hundred forty-seven thousand, four hundred twenty-eight".