1996687607 has 2 divisors, whose sum is σ = 1996687608. Its totient is φ = 1996687606.

The previous prime is 1996687579. The next prime is 1996687619. The reversal of 1996687607 is 7067866991.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1996687607 - 2⁶ = 1996687543 is a prime.

It is a super-2 number, since 2×1996687607² = 7973522799894772898, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1996687907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 998343803 + 998343804.

It is an arithmetic number, because the mean of its divisors is an integer number (998343804).

Almost surely, 2^1996687607 is an apocalyptic number.

1996687607 is a deficient number, since it is larger than the sum of its proper divisors (1).

1996687607 is an equidigital number, since it uses as much as digits as its factorization.

1996687607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6858432, while the sum is 59.

The square root of 1996687607 is about 44684.3105239412. The cubic root of 1996687607 is about 1259.2251066027.

The spelling of 1996687607 in words is "one billion, nine hundred ninety-six million, six hundred eighty-seven thousand, six hundred seven".