126877768 has 8 divisors (see below), whose sum is σ = 237895830. Its totient is φ = 63438880.

The previous prime is 126877759. The next prime is 126877787. The reversal of 126877768 is 867778621.

It can be written as a sum of positive squares in only one way, i.e., 67864644 + 59013124 = 8238^2 + 7682^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7929853 + ... + 7929868.

Almost surely, 2^126877768 is an apocalyptic number.

It is an amenable number.

126877768 is a deficient number, since it is larger than the sum of its proper divisors (111018062).

126877768 is a wasteful number, since it uses less digits than its factorization.

126877768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15859727 (or 15859723 counting only the distinct ones).

The product of its digits is 1580544, while the sum is 52.

The square root of 126877768 is about 11264.0031960223. The cubic root of 126877768 is about 502.4912573250.

The spelling of 126877768 in words is "one hundred twenty-six million, eight hundred seventy-seven thousand, seven hundred sixty-eight".