277127325049 has 2 divisors, whose sum is σ = 277127325050. Its totient is φ = 277127325048.

The previous prime is 277127324951. The next prime is 277127325067. The reversal of 277127325049 is 940523721772.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 247013970025 + 30113355024 = 497005^2 + 173532^2 .

It is a cyclic number.

It is not a de Polignac number, because 277127325049 - 2¹³ = 277127316857 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 277127324993 and 277127325011.

It is not a weakly prime, because it can be changed into another prime (277127325089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138563662524 + 138563662525.

It is an arithmetic number, because the mean of its divisors is an integer number (138563662525).

Almost surely, 2^277127325049 is an apocalyptic number.

It is an amenable number.

277127325049 is a deficient number, since it is larger than the sum of its proper divisors (1).

277127325049 is an equidigital number, since it uses as much as digits as its factorization.

277127325049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1481760, while the sum is 49.

It can be divided in two parts, 277127 and 325049, that added together give a square (602176 = 776²).

The spelling of 277127325049 in words is "two hundred seventy-seven billion, one hundred twenty-seven million, three hundred twenty-five thousand, forty-nine".