85713163828 has 12 divisors (see below), whose sum is σ = 150000135012. Its totient is φ = 42855982400.

The previous prime is 85713163819. The next prime is 85713163919. The reversal of 85713163828 is 82836131758.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 50589906084 + 35123257744 = 224922^2 + 187412^2 .

It is a super-2 number, since 2×85713163828² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 379776 + ... + 561832.

It is an arithmetic number, because the mean of its divisors is an integer number (12500011251).

Almost surely, 2^85713163828 is an apocalyptic number.

It is an amenable number.

85713163828 is a deficient number, since it is larger than the sum of its proper divisors (64286971184).

85713163828 is a wasteful number, since it uses less digits than its factorization.

85713163828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299762 (or 299760 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 52.

The spelling of 85713163828 in words is "eighty-five billion, seven hundred thirteen million, one hundred sixty-three thousand, eight hundred twenty-eight".