208274082870 has 32 divisors (see below), whose sum is σ = 571266056448. Its totient is φ = 47605504608.

The previous prime is 208274082869. The next prime is 208274082911. The reversal of 208274082870 is 78280472802.

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, 495890464 + ... + 495890883.

It is an arithmetic number, because the mean of its divisors is an integer number (17852064264).

Almost surely, 2^208274082870 is an apocalyptic number.

208274082870 is an abundant number, since it is smaller than the sum of its proper divisors (362991973578).

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

208274082870 is a wasteful number, since it uses less digits than its factorization.

208274082870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991781364.

The product of its (nonzero) digits is 802816, while the sum is 48.

The spelling of 208274082870 in words is "two hundred eight billion, two hundred seventy-four million, eighty-two thousand, eight hundred seventy".