206997954782 has 8 divisors (see below), whose sum is σ = 310660271352. Its totient is φ = 103444531000.

The previous prime is 206997954767. The next prime is 206997954809. The reversal of 206997954782 is 287459799602.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27218444 + ... + 27226047.

It is an arithmetic number, because the mean of its divisors is an integer number (38832533919).

Almost surely, 2^206997954782 is an apocalyptic number.

206997954782 is a deficient number, since it is larger than the sum of its proper divisors (103662316570).

206997954782 is a wasteful number, since it uses less digits than its factorization.

206997954782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54446394.

The product of its (nonzero) digits is 137168640, while the sum is 68.

The spelling of 206997954782 in words is "two hundred six billion, nine hundred ninety-seven million, nine hundred fifty-four thousand, seven hundred eighty-two".