85702969143 has 12 divisors (see below), whose sum is σ = 135047103048. Its totient is φ = 51941193360.

The previous prime is 85702969141. The next prime is 85702969147. The reversal of 85702969143 is 34196920758.

85702969143 is a `hidden beast` number, since 8 + 570 + 2 + 9 + 69 + 1 + 4 + 3 = 666.

It is not a de Polignac number, because 85702969143 - 2¹ = 85702969141 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85702969143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85702969141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 432843180 + ... + 432843377.

It is an arithmetic number, because the mean of its divisors is an integer number (11253925254).

It is a 2-persistent number, because it is pandigital, and so is 2⋅85702969143 = 171405938286, but 3⋅85702969143 = 257108907429 is not.

Almost surely, 2^85702969143 is an apocalyptic number.

85702969143 is a deficient number, since it is larger than the sum of its proper divisors (49344133905).

85702969143 is a wasteful number, since it uses less digits than its factorization.

85702969143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865686574 (or 865686571 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 54.

The spelling of 85702969143 in words is "eighty-five billion, seven hundred two million, nine hundred sixty-nine thousand, one hundred forty-three".