8465091272 has 24 divisors (see below), whose sum is σ = 17446135350. Its totient is φ = 3847768320.

The previous prime is 8465091263. The next prime is 8465091301. The reversal of 8465091272 is 2721905648.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 4732614436 + 3732476836 = 68794^2 + 61094^2 .

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4371497 + ... + 4373432.

Almost surely, 2^8465091272 is an apocalyptic number.

It is an amenable number.

8465091272 is an abundant number, since it is smaller than the sum of its proper divisors (8981044078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8465091272 is a wasteful number, since it uses less digits than its factorization.

8465091272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8744957 (or 8744942 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 8465091272 is about 92005.9306349324. The cubic root of 8465091272 is about 2038.0298864058.

The spelling of 8465091272 in words is "eight billion, four hundred sixty-five million, ninety-one thousand, two hundred seventy-two".