9539970377 has 12 divisors (see below), whose sum is σ = 11279446596. Its totient is φ = 8043063840.

The previous prime is 9539970361. The next prime is 9539970389. The reversal of 9539970377 is 7730799359.

9539970377 is digitally balanced in base 3, 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 2 ways, for example, as 266472976 + 9273497401 = 16324^2 + 96299^2 .

It is not a de Polignac number, because 9539970377 - 2⁴ = 9539970361 is a prime.

It is a super-2 number, since 2×9539970377² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9539970347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1592858 + ... + 1598835.

It is an arithmetic number, because the mean of its divisors is an integer number (939953883).

Almost surely, 2^9539970377 is an apocalyptic number.

It is an amenable number.

9539970377 is a deficient number, since it is larger than the sum of its proper divisors (1739476219).

9539970377 is a wasteful number, since it uses less digits than its factorization.

9539970377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3191768 (or 3191761 counting only the distinct ones).

The product of its (nonzero) digits is 11252115, while the sum is 59.

The square root of 9539970377 is about 97672.7719326118. The cubic root of 9539970377 is about 2120.8779424872.

The spelling of 9539970377 in words is "nine billion, five hundred thirty-nine million, nine hundred seventy thousand, three hundred seventy-seven".