38528777801 has 2 divisors, whose sum is σ = 38528777802. Its totient is φ = 38528777800.

The previous prime is 38528777783. The next prime is 38528777813. The reversal of 38528777801 is 10877782583.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38454817801 + 73960000 = 196099^2 + 8600^2 .

It is an emirp because it is prime and its reverse (10877782583) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38528777801 is a prime.

It is not a weakly prime, because it can be changed into another prime (38528776801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19264388900 + 19264388901.

It is an arithmetic number, because the mean of its divisors is an integer number (19264388901).

Almost surely, 2^38528777801 is an apocalyptic number.

It is an amenable number.

38528777801 is a deficient number, since it is larger than the sum of its proper divisors (1).

38528777801 is an equidigital number, since it uses as much as digits as its factorization.

38528777801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5268480, while the sum is 56.

The spelling of 38528777801 in words is "thirty-eight billion, five hundred twenty-eight million, seven hundred seventy-seven thousand, eight hundred one".