207920969 has 8 divisors (see below), whose sum is σ = 211263360. Its totient is φ = 204596496.

The previous prime is 207920959. The next prime is 207921041. The reversal of 207920969 is 969029702.

207920969 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 207920969 - 2²⁴ = 191143753 is a prime.

It is a super-2 number, since 2×207920969² = 86462258699797922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (207920959) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19967 + ... + 28539.

It is an arithmetic number, because the mean of its divisors is an integer number (26407920).

Almost surely, 2^207920969 is an apocalyptic number.

It is an amenable number.

207920969 is a deficient number, since it is larger than the sum of its proper divisors (3342391).

207920969 is an equidigital number, since it uses as much as digits as its factorization.

207920969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8959.

The product of its (nonzero) digits is 122472, while the sum is 44.

The square root of 207920969 is about 14419.4649345945. The cubic root of 207920969 is about 592.4241628206.

The spelling of 207920969 in words is "two hundred seven million, nine hundred twenty thousand, nine hundred sixty-nine".