87023418793 has 2 divisors, whose sum is σ = 87023418794. Its totient is φ = 87023418792.

The previous prime is 87023418787. The next prime is 87023418809. The reversal of 87023418793 is 39781432078.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85774008384 + 1249410409 = 292872^2 + 35347^2 .

It is a cyclic number.

It is not a de Polignac number, because 87023418793 - 2¹⁷ = 87023287721 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 87023418793.

It is not a weakly prime, because it can be changed into another prime (87023412793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43511709396 + 43511709397.

It is an arithmetic number, because the mean of its divisors is an integer number (43511709397).

Almost surely, 2^87023418793 is an apocalyptic number.

It is an amenable number.

87023418793 is a deficient number, since it is larger than the sum of its proper divisors (1).

87023418793 is an equidigital number, since it uses as much as digits as its factorization.

87023418793 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2032128, while the sum is 52.

The spelling of 87023418793 in words is "eighty-seven billion, twenty-three million, four hundred eighteen thousand, seven hundred ninety-three".