940771577 has 2 divisors, whose sum is σ = 940771578. Its totient is φ = 940771576.

The previous prime is 940771549. The next prime is 940771631. The reversal of 940771577 is 775177049.

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., 879478336 + 61293241 = 29656^2 + 7829^2 .

It is an emirp because it is prime and its reverse (775177049) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 940771577 - 2¹² = 940767481 is a prime.

It is not a weakly prime, because it can be changed into another prime (940770577) 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, 470385788 + 470385789.

It is an arithmetic number, because the mean of its divisors is an integer number (470385789).

Almost surely, 2^940771577 is an apocalyptic number.

It is an amenable number.

940771577 is a deficient number, since it is larger than the sum of its proper divisors (1).

940771577 is an equidigital number, since it uses as much as digits as its factorization.

940771577 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432180, while the sum is 47.

The square root of 940771577 is about 30671.9998858894. Note that the first 3 decimals coincide. The cubic root of 940771577 is about 979.8540588590.

The spelling of 940771577 in words is "nine hundred forty million, seven hundred seventy-one thousand, five hundred seventy-seven".