75928357789 has 2 divisors, whose sum is σ = 75928357790. Its totient is φ = 75928357788.

The previous prime is 75928357777. The next prime is 75928357793. The reversal of 75928357789 is 98775382957.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49232065689 + 26696292100 = 221883^2 + 163390^2 .

It is a cyclic number.

It is not a de Polignac number, because 75928357789 - 2¹³ = 75928349597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75928357889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37964178894 + 37964178895.

It is an arithmetic number, because the mean of its divisors is an integer number (37964178895).

Almost surely, 2^75928357789 is an apocalyptic number.

It is an amenable number.

75928357789 is a deficient number, since it is larger than the sum of its proper divisors (1).

75928357789 is an equidigital number, since it uses as much as digits as its factorization.

75928357789 is an evil number, because the sum of its binary digits is even.

The product of its digits is 266716800, while the sum is 70.

The spelling of 75928357789 in words is "seventy-five billion, nine hundred twenty-eight million, three hundred fifty-seven thousand, seven hundred eighty-nine".