2108355078 has 32 divisors (see below), whose sum is σ = 4291725312. Its totient is φ = 690314400.

The previous prime is 2108355077. The next prime is 2108355089. The reversal of 2108355078 is 8705538012.

It is a super-2 number, since 2×2108355078² = 8890322269856772168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2108355077) 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 15 ways as a sum of consecutive naturals, for example, 293275 + ... + 300377.

It is an arithmetic number, because the mean of its divisors is an integer number (134116416).

Almost surely, 2^2108355078 is an apocalyptic number.

2108355078 is an abundant number, since it is smaller than the sum of its proper divisors (2183370234).

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

2108355078 is a wasteful number, since it uses less digits than its factorization.

2108355078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7980.

The product of its (nonzero) digits is 67200, while the sum is 39.

The square root of 2108355078 is about 45916.8278303282. The cubic root of 2108355078 is about 1282.2752253995.

The spelling of 2108355078 in words is "two billion, one hundred eight million, three hundred fifty-five thousand, seventy-eight".