742827887 has 2 divisors, whose sum is σ = 742827888. Its totient is φ = 742827886.

The previous prime is 742827851. The next prime is 742827893. The reversal of 742827887 is 788728247.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 742827887 - 2⁶ = 742827823 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (742820887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371413943 + 371413944.

It is an arithmetic number, because the mean of its divisors is an integer number (371413944).

Almost surely, 2^742827887 is an apocalyptic number.

742827887 is a deficient number, since it is larger than the sum of its proper divisors (1).

742827887 is an equidigital number, since it uses as much as digits as its factorization.

742827887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2809856, while the sum is 53.

The square root of 742827887 is about 27254.8690512356. The cubic root of 742827887 is about 905.6548832784.

The spelling of 742827887 in words is "seven hundred forty-two million, eight hundred twenty-seven thousand, eight hundred eighty-seven".