85263122142 has 36 divisors (see below), whose sum is σ = 203057771280. Its totient is φ = 25837309080.

The previous prime is 85263122081. The next prime is 85263122143. The reversal of 85263122142 is 24122136258.

85263122142 is a `hidden beast` number, since 8 + 5 + 2 + 631 + 2 + 2 + 14 + 2 = 666.

It is a super-2 number, since 2×85263122142² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 85263122097 and 85263122106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85263122143) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 19571542 + ... + 19575897.

Almost surely, 2^85263122142 is an apocalyptic number.

85263122142 is an abundant number, since it is smaller than the sum of its proper divisors (117794649138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85263122142 is a wasteful number, since it uses less digits than its factorization.

85263122142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39147469 (or 39147455 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The spelling of 85263122142 in words is "eighty-five billion, two hundred sixty-three million, one hundred twenty-two thousand, one hundred forty-two".