2078378235 has 48 divisors (see below), whose sum is σ = 3732955200. Its totient is φ = 1068463872.

The previous prime is 2078378227. The next prime is 2078378249. The reversal of 2078378235 is 5328738702.

It is not a de Polignac number, because 2078378235 - 2³ = 2078378227 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

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, 1198429 + ... + 1200161.

It is an arithmetic number, because the mean of its divisors is an integer number (77769900).

Almost surely, 2^2078378235 is an apocalyptic number.

2078378235 is a deficient number, since it is larger than the sum of its proper divisors (1654576965).

2078378235 is a wasteful number, since it uses less digits than its factorization.

2078378235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2692 (or 2689 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The square root of 2078378235 is about 45589.2337619311. The cubic root of 2078378235 is about 1276.1690131875.

The spelling of 2078378235 in words is "two billion, seventy-eight million, three hundred seventy-eight thousand, two hundred thirty-five".