696779053 has 4 divisors (see below), whose sum is σ = 696852700. Its totient is φ = 696705408.

The previous prime is 696779047. The next prime is 696779071. The reversal of 696779053 is 350977696.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 233539524 + 463239529 = 15282^2 + 21523^2 .

It is a cyclic number.

It is not a de Polignac number, because 696779053 - 2¹³ = 696770861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (696779453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20100 + ... + 42397.

It is an arithmetic number, because the mean of its divisors is an integer number (174213175).

Almost surely, 2^696779053 is an apocalyptic number.

It is an amenable number.

696779053 is a deficient number, since it is larger than the sum of its proper divisors (73647).

696779053 is a wasteful number, since it uses less digits than its factorization.

696779053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73646.

The product of its (nonzero) digits is 2143260, while the sum is 52.

The square root of 696779053 is about 26396.5727510221. The cubic root of 696779053 is about 886.5400543924.

The spelling of 696779053 in words is "six hundred ninety-six million, seven hundred seventy-nine thousand, fifty-three".