75228863789 has 2 divisors, whose sum is σ = 75228863790. Its totient is φ = 75228863788.

The previous prime is 75228863753. The next prime is 75228863791. The reversal of 75228863789 is 98736882257.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75099017764 + 129846025 = 274042^2 + 11395^2 .

It is a cyclic number.

It is not a de Polignac number, because 75228863789 - 2²⁰ = 75227815213 is a prime.

Together with 75228863791, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75228863389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37614431894 + 37614431895.

It is an arithmetic number, because the mean of its divisors is an integer number (37614431895).

Almost surely, 2^75228863789 is an apocalyptic number.

It is an amenable number.

75228863789 is a deficient number, since it is larger than the sum of its proper divisors (1).

75228863789 is an equidigital number, since it uses as much as digits as its factorization.

75228863789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81285120, while the sum is 65.

The spelling of 75228863789 in words is "seventy-five billion, two hundred twenty-eight million, eight hundred sixty-three thousand, seven hundred eighty-nine".