2203108978 has 16 divisors (see below), whose sum is σ = 3799932480. Its totient is φ = 938396016.

The previous prime is 2203108969. The next prime is 2203108987. The reversal of 2203108978 is 8798013022.

It is an interprime number because it is at equal distance from previous prime (2203108969) and next prime (2203108987).

It is a self number, because there is not a number n which added to its sum of digits gives 2203108978.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 480433 + ... + 484996.

It is an arithmetic number, because the mean of its divisors is an integer number (237495780).

Almost surely, 2^2203108978 is an apocalyptic number.

2203108978 is a deficient number, since it is larger than the sum of its proper divisors (1596823502).

2203108978 is a wasteful number, since it uses less digits than its factorization.

2203108978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 965601.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 2203108978 is about 46937.2877145666. The cubic root of 2203108978 is about 1301.2038115430.

The spelling of 2203108978 in words is "two billion, two hundred three million, one hundred eight thousand, nine hundred seventy-eight".