697698896796 has 36 divisors (see below), whose sum is σ = 1923957564984. Its totient is φ = 211423908000.

The previous prime is 697698896771. The next prime is 697698896803.

It is a happy number.

697698896796 is nontrivially palindromic in base 10.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 880932555 + ... + 880933346.

It is an arithmetic number, because the mean of its divisors is an integer number (53443265694).

Almost surely, 2^697698896796 is an apocalyptic number.

697698896796 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

697698896796 is an abundant number, since it is smaller than the sum of its proper divisors (1226258668188).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

697698896796 is a wasteful number, since it uses less digits than its factorization.

697698896796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1761865922 (or 1761865917 counting only the distinct ones).

The product of its digits is 26665583616, while the sum is 90.

The spelling of 697698896796 in words is "six hundred ninety-seven billion, six hundred ninety-eight million, eight hundred ninety-six thousand, seven hundred ninety-six".