445477794127 has 2 divisors, whose sum is σ = 445477794128. Its totient is φ = 445477794126.

The previous prime is 445477794119. The next prime is 445477794149. The reversal of 445477794127 is 721497774544.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 445477794127 - 2³ = 445477794119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (445477794187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222738897063 + 222738897064.

It is an arithmetic number, because the mean of its divisors is an integer number (222738897064).

Almost surely, 2^445477794127 is an apocalyptic number.

445477794127 is a deficient number, since it is larger than the sum of its proper divisors (1).

445477794127 is an equidigital number, since it uses as much as digits as its factorization.

445477794127 is an evil number, because the sum of its binary digits is even.

The product of its digits is 55319040, while the sum is 61.

The spelling of 445477794127 in words is "four hundred forty-five billion, four hundred seventy-seven million, seven hundred ninety-four thousand, one hundred twenty-seven".