85424292873 has 16 divisors (see below), whose sum is σ = 127011394560. Its totient is φ = 56743929648.

The previous prime is 85424292869. The next prime is 85424292887. The reversal of 85424292873 is 37829242458.

85424292873 is a `hidden beast` number, since 8 + 542 + 4 + 2 + 9 + 28 + 73 = 666.

It is not a de Polignac number, because 85424292873 - 2² = 85424292869 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85424292803) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5703465 + ... + 5718422.

It is an arithmetic number, because the mean of its divisors is an integer number (7938212160).

Almost surely, 2^85424292873 is an apocalyptic number.

It is an amenable number.

85424292873 is a deficient number, since it is larger than the sum of its proper divisors (41587101687).

85424292873 is a wasteful number, since it uses less digits than its factorization.

85424292873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11422173 (or 11422167 counting only the distinct ones).

The product of its digits is 7741440, while the sum is 54.

The spelling of 85424292873 in words is "eighty-five billion, four hundred twenty-four million, two hundred ninety-two thousand, eight hundred seventy-three".