1148623877 has 2 divisors, whose sum is σ = 1148623878. Its totient is φ = 1148623876.

The previous prime is 1148623849. The next prime is 1148623907. The reversal of 1148623877 is 7783268411.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1010349796 + 138274081 = 31786^2 + 11759^2 .

It is a cyclic number.

It is not a de Polignac number, because 1148623877 - 2⁸ = 1148623621 is a prime.

It is a super-2 number, since 2×1148623877² = 2638673621629022258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1148623477) 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, 574311938 + 574311939.

It is an arithmetic number, because the mean of its divisors is an integer number (574311939).

Almost surely, 2^1148623877 is an apocalyptic number.

It is an amenable number.

1148623877 is a deficient number, since it is larger than the sum of its proper divisors (1).

1148623877 is an equidigital number, since it uses as much as digits as its factorization.

1148623877 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 451584, while the sum is 47.

The square root of 1148623877 is about 33891.3540154418. The cubic root of 1148623877 is about 1047.2714879098.

The spelling of 1148623877 in words is "one billion, one hundred forty-eight million, six hundred twenty-three thousand, eight hundred seventy-seven".