8672486731 has 2 divisors, whose sum is σ = 8672486732. Its totient is φ = 8672486730.

The previous prime is 8672486729. The next prime is 8672486839. The reversal of 8672486731 is 1376842768.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8672486731 - 2¹ = 8672486729 is a prime.

It is a super-2 number, since 2×8672486731² (a number of 21 digits) contains 22 as substring.

Together with 8672486729, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (8672486531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4336243365 + 4336243366.

It is an arithmetic number, because the mean of its divisors is an integer number (4336243366).

Almost surely, 2^8672486731 is an apocalyptic number.

8672486731 is a deficient number, since it is larger than the sum of its proper divisors (1).

8672486731 is an equidigital number, since it uses as much as digits as its factorization.

8672486731 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2709504, while the sum is 52.

The square root of 8672486731 is about 93126.1871387420. The cubic root of 8672486731 is about 2054.5397493630.

The spelling of 8672486731 in words is "eight billion, six hundred seventy-two million, four hundred eighty-six thousand, seven hundred thirty-one".