2088431772 has 96 divisors (see below), whose sum is σ = 5674927104. Its totient is φ = 585446400.

The previous prime is 2088431753. The next prime is 2088431773. The reversal of 2088431772 is 2771348802.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2088431773) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1436598 + ... + 1438050.

It is an arithmetic number, because the mean of its divisors is an integer number (59113824).

Almost surely, 2^2088431772 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 2088431772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2837463552).

2088431772 is an abundant number, since it is smaller than the sum of its proper divisors (3586495332).

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

2088431772 is a wasteful number, since it uses less digits than its factorization.

2088431772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1779 (or 1777 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 42.

The square root of 2088431772 is about 45699.3629277258. The cubic root of 2088431772 is about 1278.2234003481.

The spelling of 2088431772 in words is "two billion, eighty-eight million, four hundred thirty-one thousand, seven hundred seventy-two".