208051706404 has 48 divisors (see below), whose sum is σ = 379375992576. Its totient is φ = 99741801600.

The previous prime is 208051706399. The next prime is 208051706437. The reversal of 208051706404 is 404607150802.

It is a super-2 number, since 2×208051706404² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

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, 34368642 + ... + 34374694.

It is an arithmetic number, because the mean of its divisors is an integer number (7903666512).

Almost surely, 2^208051706404 is an apocalyptic number.

It is an amenable number.

208051706404 is a deficient number, since it is larger than the sum of its proper divisors (171324286172).

208051706404 is a wasteful number, since it uses less digits than its factorization.

208051706404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9436 (or 9434 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 37.

The spelling of 208051706404 in words is "two hundred eight billion, fifty-one million, seven hundred six thousand, four hundred four".