69690383887 has 2 divisors, whose sum is σ = 69690383888. Its totient is φ = 69690383886.

The previous prime is 69690383837. The next prime is 69690383921. The reversal of 69690383887 is 78838309696.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-69690383887 is a prime.

It is a super-3 number, since 3×69690383887³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69690383837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34845191943 + 34845191944.

It is an arithmetic number, because the mean of its divisors is an integer number (34845191944).

Almost surely, 2^69690383887 is an apocalyptic number.

69690383887 is a deficient number, since it is larger than the sum of its proper divisors (1).

69690383887 is an equidigital number, since it uses as much as digits as its factorization.

69690383887 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 94058496, while the sum is 67.

The spelling of 69690383887 in words is "sixty-nine billion, six hundred ninety million, three hundred eighty-three thousand, eight hundred eighty-seven".