9920714679 has 20 divisors (see below), whose sum is σ = 14955808120. Its totient is φ = 6553126800.

The previous prime is 9920714677. The next prime is 9920714681. The reversal of 9920714679 is 9764170299.

9920714679 is a `hidden beast` number, since 99 + 20 + 71 + 467 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (9920714677) and next prime (9920714681).

It is not a de Polignac number, because 9920714679 - 2¹ = 9920714677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9920714677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 552997 + ... + 570654.

It is an arithmetic number, because the mean of its divisors is an integer number (747790406).

Almost surely, 2^9920714679 is an apocalyptic number.

9920714679 is a deficient number, since it is larger than the sum of its proper divisors (5035093441).

9920714679 is a wasteful number, since it uses less digits than its factorization.

9920714679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1123772 (or 1123763 counting only the distinct ones).

The product of its (nonzero) digits is 1714608, while the sum is 54.

The square root of 9920714679 is about 99602.7844942098. The cubic root of 9920714679 is about 2148.7257406141.

The spelling of 9920714679 in words is "nine billion, nine hundred twenty million, seven hundred fourteen thousand, six hundred seventy-nine".