9555840977359 has 4 divisors (see below), whose sum is σ = 9556096935880. Its totient is φ = 9555585018840.

The previous prime is 9555840977351. The next prime is 9555840977369. The reversal of 9555840977359 is 9537790485559.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9555840977359 - 2³ = 9555840977351 is a prime.

It is a super-2 number, since 2×9555840977359² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9555840977351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127923252 + ... + 127997929.

It is an arithmetic number, because the mean of its divisors is an integer number (2389024233970).

Almost surely, 2^{9555840977359} is an apocalyptic number.

9555840977359 is a deficient number, since it is larger than the sum of its proper divisors (255958521).

9555840977359 is a wasteful number, since it uses less digits than its factorization.

9555840977359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255958520.

The product of its (nonzero) digits is 2143260000, while the sum is 76.

The spelling of 9555840977359 in words is "nine trillion, five hundred fifty-five billion, eight hundred forty million, nine hundred seventy-seven thousand, three hundred fifty-nine".