97525841687 has 2 divisors, whose sum is σ = 97525841688. Its totient is φ = 97525841686.

The previous prime is 97525841681. The next prime is 97525841729. The reversal of 97525841687 is 78614852579.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 97525841687 - 2⁴ = 97525841671 is a prime.

It is a super-3 number, since 3×97525841687³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97525841681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48762920843 + 48762920844.

It is an arithmetic number, because the mean of its divisors is an integer number (48762920844).

Almost surely, 2^97525841687 is an apocalyptic number.

97525841687 is a deficient number, since it is larger than the sum of its proper divisors (1).

97525841687 is an equidigital number, since it uses as much as digits as its factorization.

97525841687 is an evil number, because the sum of its binary digits is even.

The product of its digits is 33868800, while the sum is 62.

The spelling of 97525841687 in words is "ninety-seven billion, five hundred twenty-five million, eight hundred forty-one thousand, six hundred eighty-seven".