696776869 has 4 divisors (see below), whose sum is σ = 696830944. Its totient is φ = 696722796.

The previous prime is 696776867. The next prime is 696776887. The reversal of 696776869 is 968677696.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 696776869 - 2¹ = 696776867 is a prime.

It is a super-2 number, since 2×696776869² = 970996010346886322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 696776869.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (696776867) 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, 4744 + ... + 37630.

It is an arithmetic number, because the mean of its divisors is an integer number (174207736).

Almost surely, 2^696776869 is an apocalyptic number.

It is an amenable number.

696776869 is a deficient number, since it is larger than the sum of its proper divisors (54075).

696776869 is a wasteful number, since it uses less digits than its factorization.

696776869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54074.

The product of its digits is 41150592, while the sum is 64.

The square root of 696776869 is about 26396.5313819827. The cubic root of 696776869 is about 886.5391281277.

The spelling of 696776869 in words is "six hundred ninety-six million, seven hundred seventy-six thousand, eight hundred sixty-nine".