87835697 has 2 divisors, whose sum is σ = 87835698. Its totient is φ = 87835696.

The previous prime is 87835687. The next prime is 87835703. The reversal of 87835697 is 79653878.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77018176 + 10817521 = 8776^2 + 3289^2 .

It is a cyclic number.

It is not a de Polignac number, because 87835697 - 2⁶ = 87835633 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (87835637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43917848 + 43917849.

It is an arithmetic number, because the mean of its divisors is an integer number (43917849).

Almost surely, 2^87835697 is an apocalyptic number.

It is an amenable number.

87835697 is a deficient number, since it is larger than the sum of its proper divisors (1).

87835697 is an equidigital number, since it uses as much as digits as its factorization.

87835697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2540160, while the sum is 53.

The square root of 87835697 is about 9372.0700488206. The cubic root of 87835697 is about 444.5190224689.

The spelling of 87835697 in words is "eighty-seven million, eight hundred thirty-five thousand, six hundred ninety-seven".