9740220487 has 2 divisors, whose sum is σ = 9740220488. Its totient is φ = 9740220486.

The previous prime is 9740220467. The next prime is 9740220509. The reversal of 9740220487 is 7840220479.

9740220487 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9740220487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9740220407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4870110243 + 4870110244.

It is an arithmetic number, because the mean of its divisors is an integer number (4870110244).

Almost surely, 2^9740220487 is an apocalyptic number.

9740220487 is a deficient number, since it is larger than the sum of its proper divisors (1).

9740220487 is an equidigital number, since it uses as much as digits as its factorization.

9740220487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 225792, while the sum is 43.

The square root of 9740220487 is about 98692.5553777994. Note that the first 3 decimals coincide. The cubic root of 9740220487 is about 2135.6148365883.

The spelling of 9740220487 in words is "nine billion, seven hundred forty million, two hundred twenty thousand, four hundred eighty-seven".