1113147877 has 2 divisors, whose sum is σ = 1113147878. Its totient is φ = 1113147876.

The previous prime is 1113147863. The next prime is 1113147887. The reversal of 1113147877 is 7787413111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 620707396 + 492440481 = 24914^2 + 22191^2 .

It is an emirp because it is prime and its reverse (7787413111) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1113147877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1113147887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556573938 + 556573939.

It is an arithmetic number, because the mean of its divisors is an integer number (556573939).

Almost surely, 2^1113147877 is an apocalyptic number.

It is an amenable number.

1113147877 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113147877 is an equidigital number, since it uses as much as digits as its factorization.

1113147877 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32928, while the sum is 40.

The square root of 1113147877 is about 33363.8708335828. The cubic root of 1113147877 is about 1036.3766528596.

The spelling of 1113147877 in words is "one billion, one hundred thirteen million, one hundred forty-seven thousand, eight hundred seventy-seven".