696775851 has 20 divisors (see below), whose sum is σ = 1050425200. Its totient is φ = 460249776.

The previous prime is 696775817. The next prime is 696775867. The reversal of 696775851 is 158577696.

It is not a de Polignac number, because 696775851 - 2²⁷ = 562558123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (696775811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 30631 + ... + 48288.

It is an arithmetic number, because the mean of its divisors is an integer number (52521260).

Almost surely, 2^696775851 is an apocalyptic number.

696775851 is a deficient number, since it is larger than the sum of its proper divisors (353649349).

696775851 is a wasteful number, since it uses less digits than its factorization.

696775851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79040 (or 79031 counting only the distinct ones).

The product of its digits is 3175200, while the sum is 54.

The square root of 696775851 is about 26396.5120991392. The cubic root of 696775851 is about 886.5386963792.

The spelling of 696775851 in words is "six hundred ninety-six million, seven hundred seventy-five thousand, eight hundred fifty-one".