69374579887 has 2 divisors, whose sum is σ = 69374579888. Its totient is φ = 69374579886.

The previous prime is 69374579851. The next prime is 69374579893. The reversal of 69374579887 is 78897547396.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-69374579887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69374579837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34687289943 + 34687289944.

It is an arithmetic number, because the mean of its divisors is an integer number (34687289944).

Almost surely, 2^69374579887 is an apocalyptic number.

69374579887 is a deficient number, since it is larger than the sum of its proper divisors (1).

69374579887 is an equidigital number, since it uses as much as digits as its factorization.

69374579887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 640120320, while the sum is 73.

The spelling of 69374579887 in words is "sixty-nine billion, three hundred seventy-four million, five hundred seventy-nine thousand, eight hundred eighty-seven".