85804583877 has 64 divisors (see below), whose sum is σ = 132278952960. Its totient is φ = 54929109312.

The previous prime is 85804583873. The next prime is 85804583881. The reversal of 85804583877 is 77838540858.

85804583877 is a `hidden beast` number, since 8 + 5 + 80 + 458 + 38 + 77 = 666.

It is an interprime number because it is at equal distance from previous prime (85804583873) and next prime (85804583881).

It is not a de Polignac number, because 85804583877 - 2² = 85804583873 is a prime.

It is a super-2 number, since 2×85804583877² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85804583873) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 60128638 + ... + 60130064.

It is an arithmetic number, because the mean of its divisors is an integer number (2066858640).

Almost surely, 2^85804583877 is an apocalyptic number.

It is an amenable number.

85804583877 is a deficient number, since it is larger than the sum of its proper divisors (46474369083).

85804583877 is a wasteful number, since it uses less digits than its factorization.

85804583877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2319 (or 2313 counting only the distinct ones).

The product of its (nonzero) digits is 60211200, while the sum is 63.

The spelling of 85804583877 in words is "eighty-five billion, eight hundred four million, five hundred eighty-three thousand, eight hundred seventy-seven".