9784874623 has 2 divisors, whose sum is σ = 9784874624. Its totient is φ = 9784874622.

The previous prime is 9784874573. The next prime is 9784874669. The reversal of 9784874623 is 3264784879.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9784874623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9784874683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4892437311 + 4892437312.

It is an arithmetic number, because the mean of its divisors is an integer number (4892437312).

Almost surely, 2^9784874623 is an apocalyptic number.

9784874623 is a deficient number, since it is larger than the sum of its proper divisors (1).

9784874623 is an equidigital number, since it uses as much as digits as its factorization.

9784874623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16257024, while the sum is 58.

The square root of 9784874623 is about 98918.5251760255. The cubic root of 9784874623 is about 2138.8734443059.

The spelling of 9784874623 in words is "nine billion, seven hundred eighty-four million, eight hundred seventy-four thousand, six hundred twenty-three".