696615705408 has 448 divisors, whose sum is σ = 2215880589312. Its totient is φ = 188966338560.

The previous prime is 696615705403. The next prime is 696615705419. The reversal of 696615705408 is 804507516696.

It is a tau number, because it is divible by the number of its divisors (448).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (696615705403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 708662485 + ... + 708663467.

Almost surely, 2^696615705408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 696615705408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1107940294656).

696615705408 is an abundant number, since it is smaller than the sum of its proper divisors (1519264883904).

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

696615705408 is a wasteful number, since it uses less digits than its factorization.

696615705408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1342 (or 1332 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 57.

The spelling of 696615705408 in words is "six hundred ninety-six billion, six hundred fifteen million, seven hundred five thousand, four hundred eight".