84673077659 has 2 divisors, whose sum is σ = 84673077660. Its totient is φ = 84673077658.

The previous prime is 84673077617. The next prime is 84673077673. The reversal of 84673077659 is 95677037648.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84673077659 is a prime.

It is not a weakly prime, because it can be changed into another prime (84673077859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42336538829 + 42336538830.

It is an arithmetic number, because the mean of its divisors is an integer number (42336538830).

Almost surely, 2^84673077659 is an apocalyptic number.

84673077659 is a deficient number, since it is larger than the sum of its proper divisors (1).

84673077659 is an equidigital number, since it uses as much as digits as its factorization.

84673077659 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 53343360, while the sum is 62.

The spelling of 84673077659 in words is "eighty-four billion, six hundred seventy-three million, seventy-seven thousand, six hundred fifty-nine".