2108888678 has 32 divisors (see below), whose sum is σ = 3468528000. Its totient is φ = 955777536.

The previous prime is 2108888659. The next prime is 2108888681. The reversal of 2108888678 is 8768888012.

It is a super-2 number, since 2×2108888678² = 8894822912393175368, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 451298 + ... + 455946.

It is an arithmetic number, because the mean of its divisors is an integer number (108391500).

Almost surely, 2^2108888678 is an apocalyptic number.

2108888678 is a deficient number, since it is larger than the sum of its proper divisors (1359639322).

2108888678 is a wasteful number, since it uses less digits than its factorization.

2108888678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4976.

The product of its (nonzero) digits is 2752512, while the sum is 56.

The square root of 2108888678 is about 45922.6379686533. The cubic root of 2108888678 is about 1282.3833925599.

It can be divided in two parts, 210 and 8888678, that added together give a palindrome (8888888).

The spelling of 2108888678 in words is "two billion, one hundred eight million, eight hundred eighty-eight thousand, six hundred seventy-eight".