9877574757389 has 2 divisors, whose sum is σ = 9877574757390. Its totient is φ = 9877574757388.

The previous prime is 9877574757329. The next prime is 9877574757419. The reversal of 9877574757389 is 9837574757789.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8838669540100 + 1038905217289 = 2972990^2 + 1019267^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9877574757389 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9877574757389.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9877574757319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4938787378694 + 4938787378695.

It is an arithmetic number, because the mean of its divisors is an integer number (4938787378695).

Almost surely, 2^{9877574757389} is an apocalyptic number.

It is an amenable number.

9877574757389 is a deficient number, since it is larger than the sum of its proper divisors (1).

9877574757389 is an equidigital number, since it uses as much as digits as its factorization.

9877574757389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26138246400, while the sum is 86.

The spelling of 9877574757389 in words is "nine trillion, eight hundred seventy-seven billion, five hundred seventy-four million, seven hundred fifty-seven thousand, three hundred eighty-nine".