2078377056 has 144 divisors (see below), whose sum is σ = 7005083904. Its totient is φ = 593806464.

The previous prime is 2078377019. The next prime is 2078377057. The reversal of 2078377056 is 6507738702.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2078377057) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35341 + ... + 73523.

It is an arithmetic number, because the mean of its divisors is an integer number (48646416).

Almost surely, 2^2078377056 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 2078377056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3502541952).

2078377056 is an abundant number, since it is smaller than the sum of its proper divisors (4926706848).

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

2078377056 is an equidigital number, since it uses as much as digits as its factorization.

2078377056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38215 (or 38195 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 45.

The square root of 2078377056 is about 45589.2208312447. The cubic root of 2078377056 is about 1276.1687718770.

The spelling of 2078377056 in words is "two billion, seventy-eight million, three hundred seventy-seven thousand, fifty-six".