2919077172 has 144 divisors (see below), whose sum is σ = 8220139200. Its totient is φ = 866004480.

The previous prime is 2919077171. The next prime is 2919077197. The reversal of 2919077172 is 2717709192.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2919077171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7136904 + ... + 7137312.

It is an arithmetic number, because the mean of its divisors is an integer number (57084300).

Almost surely, 2^2919077172 is an apocalyptic number.

2919077172 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2919077172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4110069600).

2919077172 is an abundant number, since it is smaller than the sum of its proper divisors (5301062028).

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

2919077172 is a wasteful number, since it uses less digits than its factorization.

2919077172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766 (or 761 counting only the distinct ones).

The product of its (nonzero) digits is 111132, while the sum is 45.

The square root of 2919077172 is about 54028.4848205093. The cubic root of 2919077172 is about 1429.1633118790.

The spelling of 2919077172 in words is "two billion, nine hundred nineteen million, seventy-seven thousand, one hundred seventy-two".