8340623961 has 16 divisors (see below), whose sum is σ = 11159648640. Its totient is φ = 5541036800.

The previous prime is 8340623959. The next prime is 8340623989. The reversal of 8340623961 is 1693260438.

It is a cyclic number.

It is not a de Polignac number, because 8340623961 - 2¹ = 8340623959 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (8340623461) 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 in 15 ways as a sum of consecutive naturals, for example, 1468435 + ... + 1474103.

It is an arithmetic number, because the mean of its divisors is an integer number (697478040).

Almost surely, 2^8340623961 is an apocalyptic number.

It is an amenable number.

8340623961 is a deficient number, since it is larger than the sum of its proper divisors (2819024679).

8340623961 is a wasteful number, since it uses less digits than its factorization.

8340623961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7296.

The product of its (nonzero) digits is 186624, while the sum is 42.

The square root of 8340623961 is about 91327.0165996897. The cubic root of 8340623961 is about 2027.9917337894.

The spelling of 8340623961 in words is "eight billion, three hundred forty million, six hundred twenty-three thousand, nine hundred sixty-one".