86904998923 has 2 divisors, whose sum is σ = 86904998924. Its totient is φ = 86904998922.

The previous prime is 86904998881. The next prime is 86904998927. The reversal of 86904998923 is 32989940968.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86904998923 is a prime.

It is not a weakly prime, because it can be changed into another prime (86904998927) 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, 43452499461 + 43452499462.

It is an arithmetic number, because the mean of its divisors is an integer number (43452499462).

Almost surely, 2^86904998923 is an apocalyptic number.

86904998923 is a deficient number, since it is larger than the sum of its proper divisors (1).

86904998923 is an equidigital number, since it uses as much as digits as its factorization.

86904998923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60466176, while the sum is 67.

The spelling of 86904998923 in words is "eighty-six billion, nine hundred four million, nine hundred ninety-eight thousand, nine hundred twenty-three".