102044157678479 has 2 divisors, whose sum is σ = 102044157678480. Its totient is φ = 102044157678478.

The previous prime is 102044157678431. The next prime is 102044157678511. The reversal of 102044157678479 is 974876751440201.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102044157678479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102044157678409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51022078839239 + 51022078839240.

It is an arithmetic number, because the mean of its divisors is an integer number (51022078839240).

Almost surely, 2^{102044157678479} is an apocalyptic number.

102044157678479 is a deficient number, since it is larger than the sum of its proper divisors (1).

102044157678479 is an equidigital number, since it uses as much as digits as its factorization.

102044157678479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 94832640, while the sum is 65.

The spelling of 102044157678479 in words is "one hundred two trillion, forty-four billion, one hundred fifty-seven million, six hundred seventy-eight thousand, four hundred seventy-nine".