85993110549 has 6 divisors (see below), whose sum is σ = 124212270806. Its totient is φ = 57328740360.

The previous prime is 85993110547. The next prime is 85993110563. The reversal of 85993110549 is 94501139958.

85993110549 is a `hidden beast` number, since 8 + 5 + 9 + 93 + 1 + 1 + 0 + 549 = 666.

It can be written as a sum of positive squares in only one way, i.e., 60118136100 + 25874974449 = 245190^2 + 160857^2 .

It is not a de Polignac number, because 85993110549 - 2¹ = 85993110547 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85993110495 and 85993110504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85993110547) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4777395022 + ... + 4777395039.

Almost surely, 2^85993110549 is an apocalyptic number.

It is an amenable number.

85993110549 is a deficient number, since it is larger than the sum of its proper divisors (38219160257).

85993110549 is a wasteful number, since it uses less digits than its factorization.

85993110549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9554790067 (or 9554790064 counting only the distinct ones).

The product of its (nonzero) digits is 1749600, while the sum is 54.

The spelling of 85993110549 in words is "eighty-five billion, nine hundred ninety-three million, one hundred ten thousand, five hundred forty-nine".