1607131473977 has 2 divisors, whose sum is σ = 1607131473978. Its totient is φ = 1607131473976.

The previous prime is 1607131473943. The next prime is 1607131474051. The reversal of 1607131473977 is 7793741317061.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1110365880121 + 496765593856 = 1053739^2 + 704816^2 .

It is a cyclic number.

It is not a de Polignac number, because 1607131473977 - 2¹⁰ = 1607131472953 is a prime.

It is not a weakly prime, because it can be changed into another prime (1607131473907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 803565736988 + 803565736989.

It is an arithmetic number, because the mean of its divisors is an integer number (803565736989).

Almost surely, 2^{1607131473977} is an apocalyptic number.

It is an amenable number.

1607131473977 is a deficient number, since it is larger than the sum of its proper divisors (1).

1607131473977 is an equidigital number, since it uses as much as digits as its factorization.

1607131473977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4667544, while the sum is 56.

The spelling of 1607131473977 in words is "one trillion, six hundred seven billion, one hundred thirty-one million, four hundred seventy-three thousand, nine hundred seventy-seven".