5577156827447 has 2 divisors, whose sum is σ = 5577156827448. Its totient is φ = 5577156827446.

The previous prime is 5577156827357. The next prime is 5577156827471. The reversal of 5577156827447 is 7447286517755.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5577156827447 - 2¹² = 5577156823351 is a prime.

It is a super-2 number, since 2×5577156827447² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5577156820447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2788578413723 + 2788578413724.

It is an arithmetic number, because the mean of its divisors is an integer number (2788578413724).

Almost surely, 2^{5577156827447} is an apocalyptic number.

5577156827447 is a deficient number, since it is larger than the sum of its proper divisors (1).

5577156827447 is an equidigital number, since it uses as much as digits as its factorization.

5577156827447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 460992000, while the sum is 68.

The spelling of 5577156827447 in words is "five trillion, five hundred seventy-seven billion, one hundred fifty-six million, eight hundred twenty-seven thousand, four hundred forty-seven".