4171772868 has 48 divisors (see below), whose sum is σ = 10332895104. Its totient is φ = 1305469440.

The previous prime is 4171772863. The next prime is 4171772897. The reversal of 4171772868 is 8682771714.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 4171772868.

It is not an unprimeable number, because it can be changed into a prime (4171772861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55233 + ... + 106743.

It is an arithmetic number, because the mean of its divisors is an integer number (215268648).

Almost surely, 2^4171772868 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4171772868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5166447552).

4171772868 is an abundant number, since it is smaller than the sum of its proper divisors (6161122236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4171772868 is a wasteful number, since it uses less digits than its factorization.

4171772868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51932 (or 51930 counting only the distinct ones).

The product of its digits is 1053696, while the sum is 51.

The square root of 4171772868 is about 64589.2627918913. The cubic root of 4171772868 is about 1609.8060370993.

The spelling of 4171772868 in words is "four billion, one hundred seventy-one million, seven hundred seventy-two thousand, eight hundred sixty-eight".