8912609261 has 16 divisors (see below), whose sum is σ = 9542332800. Its totient is φ = 8294842368.

The previous prime is 8912609257. The next prime is 8912609287. The reversal of 8912609261 is 1629062198.

It is not a de Polignac number, because 8912609261 - 2² = 8912609257 is a prime.

It is a super-2 number, since 2×8912609261² (a number of 21 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 (8912609231) 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, 1343210 + ... + 1349828.

It is an arithmetic number, because the mean of its divisors is an integer number (596395800).

Almost surely, 2^8912609261 is an apocalyptic number.

It is an amenable number.

8912609261 is a deficient number, since it is larger than the sum of its proper divisors (629723539).

8912609261 is a wasteful number, since it uses less digits than its factorization.

8912609261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7508.

The product of its (nonzero) digits is 93312, while the sum is 44.

The square root of 8912609261 is about 94406.6166166334. The cubic root of 8912609261 is about 2073.3293184759.

The spelling of 8912609261 in words is "eight billion, nine hundred twelve million, six hundred nine thousand, two hundred sixty-one".