695669377 has 4 divisors (see below), whose sum is σ = 749182420. Its totient is φ = 642156336.

The previous prime is 695669347. The next prime is 695669383. The reversal of 695669377 is 773966596.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 186896241 + 508773136 = 13671^2 + 22556^2 .

It is a cyclic number.

It is not a de Polignac number, because 695669377 - 2¹⁹ = 695145089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (695669347) 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 in 3 ways as a sum of consecutive naturals, for example, 26756502 + ... + 26756527.

It is an arithmetic number, because the mean of its divisors is an integer number (187295605).

Almost surely, 2^695669377 is an apocalyptic number.

It is an amenable number.

695669377 is a deficient number, since it is larger than the sum of its proper divisors (53513043).

695669377 is a wasteful number, since it uses less digits than its factorization.

695669377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53513042.

The product of its digits is 12859560, while the sum is 58.

The square root of 695669377 is about 26375.5450559794. The cubic root of 695669377 is about 886.0691758431.

The spelling of 695669377 in words is "six hundred ninety-five million, six hundred sixty-nine thousand, three hundred seventy-seven".