8726460521 has 4 divisors (see below), whose sum is σ = 9105871872. Its totient is φ = 8347049172.

The previous prime is 8726460511. The next prime is 8726460529. The reversal of 8726460521 is 1250646278.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8726460521 is a prime.

It is a super-2 number, since 2×8726460521² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8726460529) 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, 189705641 + ... + 189705686.

It is an arithmetic number, because the mean of its divisors is an integer number (2276467968).

Almost surely, 2^8726460521 is an apocalyptic number.

It is an amenable number.

8726460521 is a deficient number, since it is larger than the sum of its proper divisors (379411351).

8726460521 is a wasteful number, since it uses less digits than its factorization.

8726460521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379411350.

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 8726460521 is about 93415.5261238730. The cubic root of 8726460521 is about 2058.7931254361.

The spelling of 8726460521 in words is "eight billion, seven hundred twenty-six million, four hundred sixty thousand, five hundred twenty-one".