38412228399977 has 2 divisors, whose sum is σ = 38412228399978. Its totient is φ = 38412228399976.

The previous prime is 38412228399943. The next prime is 38412228400061. The reversal of 38412228399977 is 77999382221483.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36366496055296 + 2045732344681 = 6030464^2 + 1430291^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38412228399977 is a prime.

It is not a weakly prime, because it can be changed into another prime (38412228399277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19206114199988 + 19206114199989.

It is an arithmetic number, because the mean of its divisors is an integer number (19206114199989).

Almost surely, 2^{38412228399977} is an apocalyptic number.

It is an amenable number.

38412228399977 is a deficient number, since it is larger than the sum of its proper divisors (1).

38412228399977 is an equidigital number, since it uses as much as digits as its factorization.

38412228399977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 658409472, while the sum is 74.

The spelling of 38412228399977 in words is "thirty-eight trillion, four hundred twelve billion, two hundred twenty-eight million, three hundred ninety-nine thousand, nine hundred seventy-seven".