85668845757 has 32 divisors (see below), whose sum is σ = 125486931456. Its totient is φ = 51555940800.

The previous prime is 85668845737. The next prime is 85668845767. The reversal of 85668845757 is 75754886658.

It is not a de Polignac number, because 85668845757 - 2¹⁰ = 85668844733 is a prime.

It is a super-2 number, since 2×85668845757² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 85668845691 and 85668845700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85668845737) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3070723 + ... + 3098495.

It is an arithmetic number, because the mean of its divisors is an integer number (3921466608).

Almost surely, 2^85668845757 is an apocalyptic number.

It is an amenable number.

85668845757 is a deficient number, since it is larger than the sum of its proper divisors (39818085699).

85668845757 is a wasteful number, since it uses less digits than its factorization.

85668845757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28441.

The product of its digits is 451584000, while the sum is 69.

The spelling of 85668845757 in words is "eighty-five billion, six hundred sixty-eight million, eight hundred forty-five thousand, seven hundred fifty-seven".