8997769135 has 16 divisors (see below), whose sum is σ = 11104559136. Its totient is φ = 6995092608.

The previous prime is 8997769133. The next prime is 8997769141. The reversal of 8997769135 is 5319677998.

It is a cyclic number.

It is not a de Polignac number, because 8997769135 - 2¹ = 8997769133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8997769133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63864 + ... + 148573.

It is an arithmetic number, because the mean of its divisors is an integer number (694034946).

Almost surely, 2^8997769135 is an apocalyptic number.

8997769135 is a deficient number, since it is larger than the sum of its proper divisors (2106790001).

8997769135 is a wasteful number, since it uses less digits than its factorization.

8997769135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212682.

The product of its digits is 25719120, while the sum is 64.

The square root of 8997769135 is about 94856.5713854343. The cubic root of 8997769135 is about 2079.9119426941.

The spelling of 8997769135 in words is "eight billion, nine hundred ninety-seven million, seven hundred sixty-nine thousand, one hundred thirty-five".