85440675047 has 8 divisors (see below), whose sum is σ = 105157754016. Its totient is φ = 67601413152.

The previous prime is 85440675029. The next prime is 85440675113. The reversal of 85440675047 is 74057604458.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 85440675047 - 2¹⁰ = 85440674023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 85440674986 and 85440675004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85440635047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 469454168 + ... + 469454349.

It is an arithmetic number, because the mean of its divisors is an integer number (13144719252).

Almost surely, 2^85440675047 is an apocalyptic number.

85440675047 is a deficient number, since it is larger than the sum of its proper divisors (19717078969).

85440675047 is a wasteful number, since it uses less digits than its factorization.

85440675047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 938908537.

The product of its (nonzero) digits is 3763200, while the sum is 50.

The spelling of 85440675047 in words is "eighty-five billion, four hundred forty million, six hundred seventy-five thousand, forty-seven".