208872278802 has 64 divisors (see below), whose sum is σ = 506430472320. Its totient is φ = 63285451200.

The previous prime is 208872278777. The next prime is 208872278843.

208872278802 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (54).

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 31 ways as a sum of consecutive naturals, for example, 4861888 + ... + 4904660.

It is an arithmetic number, because the mean of its divisors is an integer number (7912976130).

Almost surely, 2^208872278802 is an apocalyptic number.

208872278802 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

208872278802 is an abundant number, since it is smaller than the sum of its proper divisors (297558193518).

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

208872278802 is a wasteful number, since it uses less digits than its factorization.

208872278802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51016 (or 51010 counting only the distinct ones).

The product of its (nonzero) digits is 3211264, while the sum is 54.

The spelling of 208872278802 in words is "two hundred eight billion, eight hundred seventy-two million, two hundred seventy-eight thousand, eight hundred two".