208622747452 has 24 divisors (see below), whose sum is σ = 420937939296. Its totient is φ = 88618510848.

The previous prime is 208622747429. The next prime is 208622747477. The reversal of 208622747452 is 254747226802.

It is a junction number, because it is equal to n+sod(n) for n = 208622747396 and 208622747405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32965033 + ... + 32971360.

It is an arithmetic number, because the mean of its divisors is an integer number (17539080804).

Almost surely, 2^208622747452 is an apocalyptic number.

It is an amenable number.

208622747452 is an abundant number, since it is smaller than the sum of its proper divisors (212315191844).

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

208622747452 is a wasteful number, since it uses less digits than its factorization.

208622747452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65936517 (or 65936515 counting only the distinct ones).

The product of its (nonzero) digits is 3010560, while the sum is 49.

The spelling of 208622747452 in words is "two hundred eight billion, six hundred twenty-two million, seven hundred forty-seven thousand, four hundred fifty-two".