85434612127 has 24 divisors (see below), whose sum is σ = 92546719440. Its totient is φ = 78648952320.

The previous prime is 85434612091. The next prime is 85434612167. The reversal of 85434612127 is 72121643458.

It is a de Polignac number, because none of the positive numbers 2^k-85434612127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85434612167) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26555623 + ... + 26558839.

It is an arithmetic number, because the mean of its divisors is an integer number (3856113310).

Almost surely, 2^85434612127 is an apocalyptic number.

85434612127 is a deficient number, since it is larger than the sum of its proper divisors (7112107313).

85434612127 is a wasteful number, since it uses less digits than its factorization.

85434612127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4331 (or 4294 counting only the distinct ones).

The product of its digits is 322560, while the sum is 43.

The spelling of 85434612127 in words is "eighty-five billion, four hundred thirty-four million, six hundred twelve thousand, one hundred twenty-seven".