1996773907 has 4 divisors (see below), whose sum is σ = 1997010936. Its totient is φ = 1996536880.

The previous prime is 1996773899. The next prime is 1996773941. The reversal of 1996773907 is 7093776991.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1996773907 - 2³ = 1996773899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1996773997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105394 + ... + 122887.

It is an arithmetic number, because the mean of its divisors is an integer number (499252734).

Almost surely, 2^1996773907 is an apocalyptic number.

1996773907 is a deficient number, since it is larger than the sum of its proper divisors (237029).

1996773907 is an equidigital number, since it uses as much as digits as its factorization.

1996773907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237028.

The product of its (nonzero) digits is 4500846, while the sum is 58.

The square root of 1996773907 is about 44685.2761768348. The cubic root of 1996773907 is about 1259.2432482423.

The spelling of 1996773907 in words is "one billion, nine hundred ninety-six million, seven hundred seventy-three thousand, nine hundred seven".