1117907477 has 2 divisors, whose sum is σ = 1117907478. Its totient is φ = 1117907476.

The previous prime is 1117907423. The next prime is 1117907563. The reversal of 1117907477 is 7747097111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 939177316 + 178730161 = 30646^2 + 13369^2 .

It is a cyclic number.

It is not a de Polignac number, because 1117907477 - 2⁸ = 1117907221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1113907477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 558953738 + 558953739.

It is an arithmetic number, because the mean of its divisors is an integer number (558953739).

Almost surely, 2^1117907477 is an apocalyptic number.

It is an amenable number.

1117907477 is a deficient number, since it is larger than the sum of its proper divisors (1).

1117907477 is an equidigital number, since it uses as much as digits as its factorization.

1117907477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86436, while the sum is 44.

The square root of 1117907477 is about 33435.1234033912. The cubic root of 1117907477 is about 1037.8516663778.

The spelling of 1117907477 in words is "one billion, one hundred seventeen million, nine hundred seven thousand, four hundred seventy-seven".