940699687 has 2 divisors, whose sum is σ = 940699688. Its totient is φ = 940699686.

The previous prime is 940699657. The next prime is 940699693. The reversal of 940699687 is 786996049.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 940699687 - 2⁷ = 940699559 is a prime.

It is a super-3 number, since 3×940699687³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (940699657) 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, 470349843 + 470349844.

It is an arithmetic number, because the mean of its divisors is an integer number (470349844).

Almost surely, 2^940699687 is an apocalyptic number.

940699687 is a deficient number, since it is larger than the sum of its proper divisors (1).

940699687 is an equidigital number, since it uses as much as digits as its factorization.

940699687 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5878656, while the sum is 58.

The square root of 940699687 is about 30670.8279477421. The cubic root of 940699687 is about 979.8290993809.

The spelling of 940699687 in words is "nine hundred forty million, six hundred ninety-nine thousand, six hundred eighty-seven".