696213855 has 12 divisors (see below), whose sum is σ = 1206770760. Its totient is φ = 371314032.

The previous prime is 696213853. The next prime is 696213857. The reversal of 696213855 is 558312696.

It is an interprime number because it is at equal distance from previous prime (696213853) and next prime (696213857).

It is not a de Polignac number, because 696213855 - 2¹ = 696213853 is a prime.

It is a super-2 number, since 2×696213855² = 969427463787922050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 15471419 = 696213855 / (6 + 9 + 6 + 2 + 1 + 3 + 8 + 5 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 696213855.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (696213851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7735665 + ... + 7735754.

It is an arithmetic number, because the mean of its divisors is an integer number (100564230).

Almost surely, 2^696213855 is an apocalyptic number.

696213855 is a deficient number, since it is larger than the sum of its proper divisors (510556905).

696213855 is a wasteful number, since it uses less digits than its factorization.

696213855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15471430 (or 15471427 counting only the distinct ones).

The product of its digits is 388800, while the sum is 45.

The square root of 696213855 is about 26385.8646816814. The cubic root of 696213855 is about 886.3002814892.

The spelling of 696213855 in words is "six hundred ninety-six million, two hundred thirteen thousand, eight hundred fifty-five".