85477601667 has 8 divisors (see below), whose sum is σ = 113974292224. Its totient is φ = 56982989448.

The previous prime is 85477601647. The next prime is 85477601681. The reversal of 85477601667 is 76610677458.

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

It is not a de Polignac number, because 85477601667 - 2¹¹ = 85477599619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85477601617) 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, 420943 + ... + 590040.

It is an arithmetic number, because the mean of its divisors is an integer number (14246786528).

Almost surely, 2^85477601667 is an apocalyptic number.

85477601667 is a deficient number, since it is larger than the sum of its proper divisors (28496690557).

85477601667 is a wasteful number, since it uses less digits than its factorization.

85477601667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1039169.

The product of its (nonzero) digits is 11854080, while the sum is 57.

The spelling of 85477601667 in words is "eighty-five billion, four hundred seventy-seven million, six hundred one thousand, six hundred sixty-seven".