1047715997 has 2 divisors, whose sum is σ = 1047715998. Its totient is φ = 1047715996.

The previous prime is 1047715979. The next prime is 1047716017. The reversal of 1047715997 is 7995177401.

Together with previous prime (1047715979) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 797158756 + 250557241 = 28234^2 + 15829^2 .

It is a cyclic number.

It is not a de Polignac number, because 1047715997 - 2¹⁰ = 1047714973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1047715937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 523857998 + 523857999.

It is an arithmetic number, because the mean of its divisors is an integer number (523857999).

Almost surely, 2^1047715997 is an apocalyptic number.

It is an amenable number.

1047715997 is a deficient number, since it is larger than the sum of its proper divisors (1).

1047715997 is an equidigital number, since it uses as much as digits as its factorization.

1047715997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 555660, while the sum is 50.

The square root of 1047715997 is about 32368.4413742769. The cubic root of 1047715997 is about 1015.6588528134.

The spelling of 1047715997 in words is "one billion, forty-seven million, seven hundred fifteen thousand, nine hundred ninety-seven".