9020947839 has 16 divisors (see below), whose sum is σ = 12462595200. Its totient is φ = 5800479776.

The previous prime is 9020947757. The next prime is 9020947841. The reversal of 9020947839 is 9387490209.

9020947839 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 9020947839 - 2²⁸ = 8752512383 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9020947791 and 9020947800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9020947739) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 471429 + ... + 490190.

It is an arithmetic number, because the mean of its divisors is an integer number (778912200).

Almost surely, 2^9020947839 is an apocalyptic number.

9020947839 is a deficient number, since it is larger than the sum of its proper divisors (3441647361).

9020947839 is a wasteful number, since it uses less digits than its factorization.

9020947839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961734.

The product of its (nonzero) digits is 979776, while the sum is 51.

The square root of 9020947839 is about 94978.6704423683. The cubic root of 9020947839 is about 2081.6963970720.

The spelling of 9020947839 in words is "nine billion, twenty million, nine hundred forty-seven thousand, eight hundred thirty-nine".