69873797867 has 2 divisors, whose sum is σ = 69873797868. Its totient is φ = 69873797866.

The previous prime is 69873797743. The next prime is 69873797891. The reversal of 69873797867 is 76879737896.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 69873797867 - 2²² = 69869603563 is a prime.

It is not a weakly prime, because it can be changed into another prime (69873797267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34936898933 + 34936898934.

It is an arithmetic number, because the mean of its divisors is an integer number (34936898934).

Almost surely, 2^69873797867 is an apocalyptic number.

69873797867 is a deficient number, since it is larger than the sum of its proper divisors (1).

69873797867 is an equidigital number, since it uses as much as digits as its factorization.

69873797867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1344252672, while the sum is 77.

The spelling of 69873797867 in words is "sixty-nine billion, eight hundred seventy-three million, seven hundred ninety-seven thousand, eight hundred sixty-seven".