85079125447 has 8 divisors (see below), whose sum is σ = 85607496576. Its totient is φ = 84550979832.

The previous prime is 85079125441. The next prime is 85079125487. The reversal of 85079125447 is 74452197058.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85079125447 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85079125394 and 85079125403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85079125441) 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, 734808 + ... + 842674.

It is an arithmetic number, because the mean of its divisors is an integer number (10700937072).

Almost surely, 2^85079125447 is an apocalyptic number.

85079125447 is a deficient number, since it is larger than the sum of its proper divisors (528371129).

85079125447 is a wasteful number, since it uses less digits than its factorization.

85079125447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112757.

The product of its (nonzero) digits is 2822400, while the sum is 52.

The spelling of 85079125447 in words is "eighty-five billion, seventy-nine million, one hundred twenty-five thousand, four hundred forty-seven".