85336437697 has 16 divisors (see below), whose sum is σ = 99548416000. Its totient is φ = 73122950880.

The previous prime is 85336437671. The next prime is 85336437709. The reversal of 85336437697 is 79673463358.

It is a happy number.

It is not a de Polignac number, because 85336437697 - 2¹⁵ = 85336404929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85336437617) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1126429 + ... + 1199797.

It is an arithmetic number, because the mean of its divisors is an integer number (6221776000).

Almost surely, 2^85336437697 is an apocalyptic number.

It is an amenable number.

85336437697 is a deficient number, since it is larger than the sum of its proper divisors (14211978303).

85336437697 is an equidigital number, since it uses as much as digits as its factorization.

85336437697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76781 (or 76767 counting only the distinct ones).

The product of its digits is 68584320, while the sum is 61.

The spelling of 85336437697 in words is "eighty-five billion, three hundred thirty-six million, four hundred thirty-seven thousand, six hundred ninety-seven".