1477145897 has 2 divisors, whose sum is σ = 1477145898. Its totient is φ = 1477145896.

The previous prime is 1477145869. The next prime is 1477145903. The reversal of 1477145897 is 7985417741.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 774842896 + 702303001 = 27836^2 + 26501^2 .

It is a cyclic number.

It is not a de Polignac number, because 1477145897 - 2¹² = 1477141801 is a prime.

It is not a weakly prime, because it can be changed into another prime (1477145837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 738572948 + 738572949.

It is an arithmetic number, because the mean of its divisors is an integer number (738572949).

Almost surely, 2^1477145897 is an apocalyptic number.

It is an amenable number.

1477145897 is a deficient number, since it is larger than the sum of its proper divisors (1).

1477145897 is an equidigital number, since it uses as much as digits as its factorization.

1477145897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1975680, while the sum is 53.

The square root of 1477145897 is about 38433.6557850018. The cubic root of 1477145897 is about 1138.8708160837.

The spelling of 1477145897 in words is "one billion, four hundred seventy-seven million, one hundred forty-five thousand, eight hundred ninety-seven".