695887381 has 16 divisors (see below), whose sum is σ = 803226240. Its totient is φ = 590561280.

The previous prime is 695887373. The next prime is 695887391. The reversal of 695887381 is 183788596.

695887381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 695887381 - 2³ = 695887373 is a prime.

It is a super-2 number, since 2×695887381² = 968518494070078322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (695887391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 320941 + ... + 323101.

It is an arithmetic number, because the mean of its divisors is an integer number (50201640).

Almost surely, 2^695887381 is an apocalyptic number.

It is an amenable number.

695887381 is a deficient number, since it is larger than the sum of its proper divisors (107338859).

695887381 is a wasteful number, since it uses less digits than its factorization.

695887381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2604.

The product of its digits is 2903040, while the sum is 55.

The square root of 695887381 is about 26379.6774241081. The cubic root of 695887381 is about 886.1617228953.

The spelling of 695887381 in words is "six hundred ninety-five million, eight hundred eighty-seven thousand, three hundred eighty-one".