697155531027 has 16 divisors (see below), whose sum is σ = 938392356000. Its totient is φ = 460347473664.

The previous prime is 697155531001. The next prime is 697155531043. The reversal of 697155531027 is 720135551796.

It is not a de Polignac number, because 697155531027 - 2¹⁰ = 697155530003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (697155531427) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 584799 + ... + 1317687.

It is an arithmetic number, because the mean of its divisors is an integer number (58649522250).

Almost surely, 2^697155531027 is an apocalyptic number.

697155531027 is a deficient number, since it is larger than the sum of its proper divisors (241236824973).

697155531027 is a wasteful number, since it uses less digits than its factorization.

697155531027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735910.

The product of its (nonzero) digits is 1984500, while the sum is 51.

The spelling of 697155531027 in words is "six hundred ninety-seven billion, one hundred fifty-five million, five hundred thirty-one thousand, twenty-seven".