86969309783 has 2 divisors, whose sum is σ = 86969309784. Its totient is φ = 86969309782.

The previous prime is 86969309753. The next prime is 86969309863. The reversal of 86969309783 is 38790396968.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86969309783 - 2¹⁰ = 86969308759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (86969309753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43484654891 + 43484654892.

It is an arithmetic number, because the mean of its divisors is an integer number (43484654892).

Almost surely, 2^86969309783 is an apocalyptic number.

86969309783 is a deficient number, since it is larger than the sum of its proper divisors (1).

86969309783 is an equidigital number, since it uses as much as digits as its factorization.

86969309783 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 105815808, while the sum is 68.

The spelling of 86969309783 in words is "eighty-six billion, nine hundred sixty-nine million, three hundred nine thousand, seven hundred eighty-three".