1550080847977 has 2 divisors, whose sum is σ = 1550080847978. Its totient is φ = 1550080847976.

The previous prime is 1550080847951. The next prime is 1550080847983. The reversal of 1550080847977 is 7797480800551.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1543249660176 + 6831187801 = 1242276^2 + 82651^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1550080847977 is a prime.

It is not a weakly prime, because it can be changed into another prime (1550080847947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 775040423988 + 775040423989.

It is an arithmetic number, because the mean of its divisors is an integer number (775040423989).

Almost surely, 2^{1550080847977} is an apocalyptic number.

It is an amenable number.

1550080847977 is a deficient number, since it is larger than the sum of its proper divisors (1).

1550080847977 is an equidigital number, since it uses as much as digits as its factorization.

1550080847977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19756800, while the sum is 61.

The spelling of 1550080847977 in words is "one trillion, five hundred fifty billion, eighty million, eight hundred forty-seven thousand, nine hundred seventy-seven".