307747020206 has 8 divisors (see below), whose sum is σ = 477538479720. Its totient is φ = 148567526968.

The previous prime is 307747020199. The next prime is 307747020239. The reversal of 307747020206 is 602020747703.

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

It is a self number, because there is not a number n which added to its sum of digits gives 307747020206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2652991496 + ... + 2652991611.

It is an arithmetic number, because the mean of its divisors is an integer number (59692309965).

Almost surely, 2^307747020206 is an apocalyptic number.

307747020206 is a deficient number, since it is larger than the sum of its proper divisors (169791459514).

307747020206 is a wasteful number, since it uses less digits than its factorization.

307747020206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5305983138.

The product of its (nonzero) digits is 98784, while the sum is 38.

Adding to 307747020206 its reverse (602020747703), we get a palindrome (909767767909).

The spelling of 307747020206 in words is "three hundred seven billion, seven hundred forty-seven million, twenty thousand, two hundred six".