85432444677 has 12 divisors (see below), whose sum is σ = 126272244384. Its totient is φ = 55630428840.

The previous prime is 85432444673. The next prime is 85432444679. The reversal of 85432444677 is 77644423458.

85432444677 is a `hidden beast` number, since 8 + 543 + 24 + 4 + 4 + 6 + 77 = 666.

It is not a de Polignac number, because 85432444677 - 2² = 85432444673 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85432444673) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 110377449 + ... + 110378222.

It is an arithmetic number, because the mean of its divisors is an integer number (10522687032).

Almost surely, 2^85432444677 is an apocalyptic number.

It is an amenable number.

85432444677 is a deficient number, since it is larger than the sum of its proper divisors (40839799707).

85432444677 is a wasteful number, since it uses less digits than its factorization.

85432444677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220755720 (or 220755717 counting only the distinct ones).

The product of its digits is 18063360, while the sum is 54.

The spelling of 85432444677 in words is "eighty-five billion, four hundred thirty-two million, four hundred forty-four thousand, six hundred seventy-seven".