207222978852 has 18 divisors (see below), whose sum is σ = 523813641078. Its totient is φ = 69074326272.

The previous prime is 207222978817. The next prime is 207222978871. The reversal of 207222978852 is 258879222702.

207222978852 is a `hidden beast` number, since 207 + 22 + 297 + 88 + 52 = 666.

It can be written as a sum of positive squares in only one way, i.e., 175272846336 + 31950132516 = 418656^2 + 178746^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2878096893 + ... + 2878096964.

Almost surely, 2^207222978852 is an apocalyptic number.

It is an amenable number.

207222978852 is an abundant number, since it is smaller than the sum of its proper divisors (316590662226).

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

207222978852 is a wasteful number, since it uses less digits than its factorization.

207222978852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5756193867 (or 5756193862 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 54.

The spelling of 207222978852 in words is "two hundred seven billion, two hundred twenty-two million, nine hundred seventy-eight thousand, eight hundred fifty-two".