696987547 has 2 divisors, whose sum is σ = 696987548. Its totient is φ = 696987546.

The previous prime is 696987509. The next prime is 696987589. The reversal of 696987547 is 745789696.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 696987547 - 2⁷ = 696987419 is a prime.

It is not a weakly prime, because it can be changed into another prime (696387547) 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 as a sum of consecutive naturals, namely, 348493773 + 348493774.

It is an arithmetic number, because the mean of its divisors is an integer number (348493774).

Almost surely, 2^696987547 is an apocalyptic number.

696987547 is a deficient number, since it is larger than the sum of its proper divisors (1).

696987547 is an equidigital number, since it uses as much as digits as its factorization.

696987547 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22861440, while the sum is 61.

The square root of 696987547 is about 26400.5217183297. The cubic root of 696987547 is about 886.6284706789.

The spelling of 696987547 in words is "six hundred ninety-six million, nine hundred eighty-seven thousand, five hundred forty-seven".