87694784659 has 2 divisors, whose sum is σ = 87694784660. Its totient is φ = 87694784658.

The previous prime is 87694784621. The next prime is 87694784711. The reversal of 87694784659 is 95648749678.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87694784659 - 2⁷ = 87694784531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 87694784591 and 87694784600.

It is not a weakly prime, because it can be changed into another prime (87694784159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43847392329 + 43847392330.

It is an arithmetic number, because the mean of its divisors is an integer number (43847392330).

Almost surely, 2^87694784659 is an apocalyptic number.

87694784659 is a deficient number, since it is larger than the sum of its proper divisors (1).

87694784659 is an equidigital number, since it uses as much as digits as its factorization.

87694784659 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 731566080, while the sum is 73.

The spelling of 87694784659 in words is "eighty-seven billion, six hundred ninety-four million, seven hundred eighty-four thousand, six hundred fifty-nine".