697380652879 has 16 divisors (see below), whose sum is σ = 710671104000. Its totient is φ = 684207407520.

The previous prime is 697380652823. The next prime is 697380652889. The reversal of 697380652879 is 978256083796.

It is a cyclic number.

It is not a de Polignac number, because 697380652879 - 2¹¹ = 697380650831 is a prime.

It is a super-3 number, since 3×697380652879³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (697380652889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20190234 + ... + 20224744.

It is an arithmetic number, because the mean of its divisors is an integer number (44416944000).

Almost surely, 2^697380652879 is an apocalyptic number.

697380652879 is a deficient number, since it is larger than the sum of its proper divisors (13290451121).

697380652879 is a wasteful number, since it uses less digits than its factorization.

697380652879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36198.

The product of its (nonzero) digits is 274337280, while the sum is 70.

The spelling of 697380652879 in words is "six hundred ninety-seven billion, three hundred eighty million, six hundred fifty-two thousand, eight hundred seventy-nine".