85507894547 has 8 divisors (see below), whose sum is σ = 86207111856. Its totient is φ = 84810634272.

The previous prime is 85507894531. The next prime is 85507894559. The reversal of 85507894547 is 74549870558.

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 85507894547 - 2⁴ = 85507894531 is a prime.

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 85507894547.

It is not an unprimeable number, because it can be changed into a prime (85507894247) 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, 401453 + ... + 576350.

It is an arithmetic number, because the mean of its divisors is an integer number (10775888982).

Almost surely, 2^85507894547 is an apocalyptic number.

85507894547 is a deficient number, since it is larger than the sum of its proper divisors (699217309).

85507894547 is a wasteful number, since it uses less digits than its factorization.

85507894547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 978517.

The product of its (nonzero) digits is 56448000, while the sum is 62.

It can be divided in two parts, 8550 and 7894547, that added together give a palindrome (7903097).

The spelling of 85507894547 in words is "eighty-five billion, five hundred seven million, eight hundred ninety-four thousand, five hundred forty-seven".