8627397461 has 4 divisors (see below), whose sum is σ = 8628276300. Its totient is φ = 8626518624.

The previous prime is 8627397419. The next prime is 8627397479. The reversal of 8627397461 is 1647937268.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4694853361 + 3932544100 = 68519^2 + 62710^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8627397461 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 (8627357461) 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, 424526 + ... + 444383.

It is an arithmetic number, because the mean of its divisors is an integer number (2157069075).

Almost surely, 2^8627397461 is an apocalyptic number.

It is an amenable number.

8627397461 is a deficient number, since it is larger than the sum of its proper divisors (878839).

8627397461 is an equidigital number, since it uses as much as digits as its factorization.

8627397461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 878838.

The product of its digits is 3048192, while the sum is 53.

The square root of 8627397461 is about 92883.7847043282. The cubic root of 8627397461 is about 2050.9729635639.

The spelling of 8627397461 in words is "eight billion, six hundred twenty-seven million, three hundred ninety-seven thousand, four hundred sixty-one".