2095448778 has 48 divisors (see below), whose sum is σ = 4716444096. Its totient is φ = 697273920.

The previous prime is 2095448723. The next prime is 2095448827. The reversal of 2095448778 is 8778445902.

It is a happy number.

2095448778 is a `hidden beast` number, since 2 + 0 + 95 + 4 + 487 + 78 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 303250 + ... + 310082.

It is an arithmetic number, because the mean of its divisors is an integer number (98259252).

Almost surely, 2^2095448778 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2095448778, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2358222048).

2095448778 is an abundant number, since it is smaller than the sum of its proper divisors (2620995318).

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

2095448778 is an equidigital number, since it uses as much as digits as its factorization.

2095448778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7481 (or 7469 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 54.

The square root of 2095448778 is about 45776.0721119670. The cubic root of 2095448778 is about 1279.6533847444.

The spelling of 2095448778 in words is "two billion, ninety-five million, four hundred forty-eight thousand, seven hundred seventy-eight".