8859071749 has 6 divisors (see below), whose sum is σ = 9737657510. Its totient is φ = 8053701480.

The previous prime is 8859071747. The next prime is 8859071777. The reversal of 8859071749 is 9471709588.

It can be written as a sum of positive squares in only one way, i.e., 7919220100 + 939851649 = 88990^2 + 30657^2 .

It is not a de Polignac number, because 8859071749 - 2¹ = 8859071747 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8859071693 and 8859071702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8859071743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36607614 + ... + 36607855.

Almost surely, 2^8859071749 is an apocalyptic number.

It is an amenable number.

8859071749 is a deficient number, since it is larger than the sum of its proper divisors (878585761).

8859071749 is a wasteful number, since it uses less digits than its factorization.

8859071749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73215491 (or 73215480 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 58.

The square root of 8859071749 is about 94122.6420634270. The cubic root of 8859071749 is about 2069.1695229437.

The spelling of 8859071749 in words is "eight billion, eight hundred fifty-nine million, seventy-one thousand, seven hundred forty-nine".