85693397 has 2 divisors, whose sum is σ = 85693398. Its totient is φ = 85693396.

The previous prime is 85693373. The next prime is 85693451. The reversal of 85693397 is 79339658.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52041796 + 33651601 = 7214^2 + 5801^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85693397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85693357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42846698 + 42846699.

It is an arithmetic number, because the mean of its divisors is an integer number (42846699).

Almost surely, 2^85693397 is an apocalyptic number.

It is an amenable number.

85693397 is a deficient number, since it is larger than the sum of its proper divisors (1).

85693397 is an equidigital number, since it uses as much as digits as its factorization.

85693397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1224720, while the sum is 50.

The square root of 85693397 is about 9257.0728094792. The cubic root of 85693397 is about 440.8753184720.

The spelling of 85693397 in words is "eighty-five million, six hundred ninety-three thousand, three hundred ninety-seven".