9470987761 has 9 divisors (see below), whose sum is σ = 9532007499. Its totient is φ = 9410358024.

The previous prime is 9470987683. The next prime is 9470987797. The reversal of 9470987761 is 1677890749.

The square root of 9470987761 is 97319.

It is a perfect power (a square), and thus also a powerful number.

9470987761 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 530150625 + 8940837136 = 23025^2 + 94556^2 .

It is not a de Polignac number, because 9470987761 - 2¹⁹ = 9470463473 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9470987696 and 9470987705.

It is not an unprimeable number, because it can be changed into a prime (9470987161) 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 in 8 ways as a sum of consecutive naturals, for example, 29876775 + ... + 29877091.

Almost surely, 2^9470987761 is an apocalyptic number.

9470987761 is the 97319-th square number.

9470987761 is the 48660-th centered octagonal number.

It is an amenable number.

9470987761 is a deficient number, since it is larger than the sum of its proper divisors (61019738).

9470987761 is an frugal number, since it uses more digits than its factorization.

9470987761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1248 (or 624 counting only the distinct ones).

The product of its (nonzero) digits is 5334336, while the sum is 58.

The cubic root of 9470987761 is about 2115.7536160161.

The spelling of 9470987761 in words is "nine billion, four hundred seventy million, nine hundred eighty-seven thousand, seven hundred sixty-one".