8672034661 has 2 divisors, whose sum is σ = 8672034662. Its totient is φ = 8672034660.

The previous prime is 8672034647. The next prime is 8672034727. The reversal of 8672034661 is 1664302768.

8672034661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7687957761 + 984076900 = 87681^2 + 31370^2 .

It is a cyclic number.

It is not a de Polignac number, because 8672034661 - 2¹⁵ = 8672001893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8672034601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4336017330 + 4336017331.

It is an arithmetic number, because the mean of its divisors is an integer number (4336017331).

Almost surely, 2^8672034661 is an apocalyptic number.

It is an amenable number.

8672034661 is a deficient number, since it is larger than the sum of its proper divisors (1).

8672034661 is an equidigital number, since it uses as much as digits as its factorization.

8672034661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 290304, while the sum is 43.

The square root of 8672034661 is about 93123.7599165755. The cubic root of 8672034661 is about 2054.5040498014.

The spelling of 8672034661 in words is "eight billion, six hundred seventy-two million, thirty-four thousand, six hundred sixty-one".