1000749877 has 2 divisors, whose sum is σ = 1000749878. Its totient is φ = 1000749876.

The previous prime is 1000749857. The next prime is 1000749881. The reversal of 1000749877 is 7789470001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 675272196 + 325477681 = 25986^2 + 18041^2 .

It is an emirp because it is prime and its reverse (7789470001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1000749877 - 2²³ = 992361269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000749857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500374938 + 500374939.

It is an arithmetic number, because the mean of its divisors is an integer number (500374939).

Almost surely, 2^1000749877 is an apocalyptic number.

It is an amenable number.

1000749877 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000749877 is an equidigital number, since it uses as much as digits as its factorization.

1000749877 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 98784, while the sum is 43.

The square root of 1000749877 is about 31634.6309761944. The cubic root of 1000749877 is about 1000.2498965465.

The spelling of 1000749877 in words is "one billion, seven hundred forty-nine thousand, eight hundred seventy-seven".