1679812707 has 6 divisors (see below), whose sum is σ = 2239844932. Its totient is φ = 1119827812.

The previous prime is 1679812639. The next prime is 1679812769. The reversal of 1679812707 is 7072189761.

1679812707 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1679812707 - 2⁷ = 1679812579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1679812307) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 59158 + ... + 82820.

Almost surely, 2^1679812707 is an apocalyptic number.

1679812707 is a deficient number, since it is larger than the sum of its proper divisors (560032225).

1679812707 is an frugal number, since it uses more digits than its factorization.

1679812707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47329 (or 23666 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 48.

The square root of 1679812707 is about 40985.5182595023. The cubic root of 1679812707 is about 1188.7402121262.

Multiplying 1679812707 by its sum of digits (48), we get a square (80631009936 = 283956²).

The spelling of 1679812707 in words is "one billion, six hundred seventy-nine million, eight hundred twelve thousand, seven hundred seven".