85484130823547 has 4 divisors (see below), whose sum is σ = 85484726223240. Its totient is φ = 85483535423856.

The previous prime is 85484130823543. The next prime is 85484130823583. The reversal of 85484130823547 is 74532803148458.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 85484130823547 - 2² = 85484130823543 is a prime.

It is a super-2 number, since 2×85484130823547² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 85484130823547.

It is not an unprimeable number, because it can be changed into a prime (85484130823543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 297484433 + ... + 297771650.

It is an arithmetic number, because the mean of its divisors is an integer number (21371181555810).

Almost surely, 2^{85484130823547} is an apocalyptic number.

85484130823547 is a deficient number, since it is larger than the sum of its proper divisors (595399693).

85484130823547 is a wasteful number, since it uses less digits than its factorization.

85484130823547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595399692.

The product of its (nonzero) digits is 103219200, while the sum is 62.

It can be divided in two parts, 85484 and 130823547, that added together give a palindrome (130909031).

The spelling of 85484130823547 in words is "eighty-five trillion, four hundred eighty-four billion, one hundred thirty million, eight hundred twenty-three thousand, five hundred forty-seven".