85931057050 has 12 divisors (see below), whose sum is σ = 159831766206. Its totient is φ = 34372422800.

The previous prime is 85931056997. The next prime is 85931057053. The reversal of 85931057050 is 5075013958.

It can be written as a sum of positive squares in 3 ways, for example, as 76597758169 + 9333298881 = 276763^2 + 96609^2 .

It is a junction number, because it is equal to n+sod(n) for n = 85931056988 and 85931057006.

It is not an unprimeable number, because it can be changed into a prime (85931057053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 859310521 + ... + 859310620.

Almost surely, 2^85931057050 is an apocalyptic number.

85931057050 is a deficient number, since it is larger than the sum of its proper divisors (73900709156).

85931057050 is a wasteful number, since it uses less digits than its factorization.

85931057050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1718621153 (or 1718621148 counting only the distinct ones).

The product of its (nonzero) digits is 189000, while the sum is 43.

The spelling of 85931057050 in words is "eighty-five billion, nine hundred thirty-one million, fifty-seven thousand, fifty".