207278057284 has 27 divisors (see below), whose sum is σ = 382864766781. Its totient is φ = 98176147920.

The previous prime is 207278057263. The next prime is 207278057323. The reversal of 207278057284 is 482750872702.

The square root of 207278057284 is 455278.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 200415591684 + 6862465600 = 447678^2 + 82840^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 17294574 + ... + 17306554.

Almost surely, 2^207278057284 is an apocalyptic number.

207278057284 is the 455278-th square number.

It is an amenable number.

207278057284 is a deficient number, since it is larger than the sum of its proper divisors (175586709497).

207278057284 is an frugal number, since it uses more digits than its factorization.

207278057284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24004 (or 12002 counting only the distinct ones).

The product of its (nonzero) digits is 3512320, while the sum is 52.

The spelling of 207278057284 in words is "two hundred seven billion, two hundred seventy-eight million, fifty-seven thousand, two hundred eighty-four".