85393081547 has 8 divisors (see below), whose sum is σ = 89891438400. Its totient is φ = 80895123144.

The previous prime is 85393081541. The next prime is 85393081573. The reversal of 85393081547 is 74518039358.

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

It is a cyclic number.

It is not a de Polignac number, because 85393081547 - 2⁶ = 85393081483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85393081541) 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, 406208 + ... + 579474.

It is an arithmetic number, because the mean of its divisors is an integer number (11236429800).

Almost surely, 2^85393081547 is an apocalyptic number.

85393081547 is a deficient number, since it is larger than the sum of its proper divisors (4498356853).

85393081547 is a wasteful number, since it uses less digits than its factorization.

85393081547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199225.

The product of its (nonzero) digits is 3628800, while the sum is 53.

The spelling of 85393081547 in words is "eighty-five billion, three hundred ninety-three million, eighty-one thousand, five hundred forty-seven".