485478989191 has 8 divisors (see below), whose sum is σ = 556047211040. Its totient is φ = 415214287488.

The previous prime is 485478989173. The next prime is 485478989207. The reversal of 485478989191 is 191989874584.

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

It is not a de Polignac number, because 485478989191 - 2⁵ = 485478989159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485478989291) 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, 75876606 + ... + 75883003.

It is an arithmetic number, because the mean of its divisors is an integer number (69505901380).

Almost surely, 2^485478989191 is an apocalyptic number.

485478989191 is a deficient number, since it is larger than the sum of its proper divisors (70568221849).

485478989191 is a wasteful number, since it uses less digits than its factorization.

485478989191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151760073.

The product of its digits is 209018880, while the sum is 73.

The spelling of 485478989191 in words is "four hundred eighty-five billion, four hundred seventy-eight million, nine hundred eighty-nine thousand, one hundred ninety-one".