85788699597 has 24 divisors (see below), whose sum is σ = 125347056120. Its totient is φ = 56532833280.

The previous prime is 85788699593. The next prime is 85788699613. The reversal of 85788699597 is 79599688758.

It can be written as a sum of positive squares in 4 ways, for example, as 2486617956 + 83302081641 = 49866^2 + 288621^2 .

It is not a de Polignac number, because 85788699597 - 2² = 85788699593 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85788699593) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2998323 + ... + 3026799.

It is an arithmetic number, because the mean of its divisors is an integer number (5222794005).

Almost surely, 2^85788699597 is an apocalyptic number.

It is an amenable number.

85788699597 is a deficient number, since it is larger than the sum of its proper divisors (39558356523).

85788699597 is a wasteful number, since it uses less digits than its factorization.

85788699597 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32333 (or 32330 counting only the distinct ones).

The product of its digits is 2743372800, while the sum is 81.

The spelling of 85788699597 in words is "eighty-five billion, seven hundred eighty-eight million, six hundred ninety-nine thousand, five hundred ninety-seven".