2077395378 has 16 divisors (see below), whose sum is σ = 4156414560. Its totient is φ = 692194496.

The previous prime is 2077395373. The next prime is 2077395407. The reversal of 2077395378 is 8735937702.

It is a self number, because there is not a number n which added to its sum of digits gives 2077395378.

It is not an unprimeable number, because it can be changed into a prime (2077395373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50700 + ... + 82007.

It is an arithmetic number, because the mean of its divisors is an integer number (259775910).

Almost surely, 2^2077395378 is an apocalyptic number.

2077395378 is an abundant number, since it is smaller than the sum of its proper divisors (2079019182).

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

2077395378 is a wasteful number, since it uses less digits than its factorization.

2077395378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135321.

The product of its (nonzero) digits is 2222640, while the sum is 51.

The square root of 2077395378 is about 45578.4530013909. The cubic root of 2077395378 is about 1275.9678163448.

The spelling of 2077395378 in words is "two billion, seventy-seven million, three hundred ninety-five thousand, three hundred seventy-eight".