1996478567 has 2 divisors, whose sum is σ = 1996478568. Its totient is φ = 1996478566.

The previous prime is 1996478551. The next prime is 1996478579. The reversal of 1996478567 is 7658746991.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1996478567 - 2⁴ = 1996478551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1996478507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 998239283 + 998239284.

It is an arithmetic number, because the mean of its divisors is an integer number (998239284).

Almost surely, 2^1996478567 is an apocalyptic number.

1996478567 is a deficient number, since it is larger than the sum of its proper divisors (1).

1996478567 is an equidigital number, since it uses as much as digits as its factorization.

1996478567 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22861440, while the sum is 62.

The square root of 1996478567 is about 44681.9713866790. The cubic root of 1996478567 is about 1259.1811608861.

The spelling of 1996478567 in words is "one billion, nine hundred ninety-six million, four hundred seventy-eight thousand, five hundred sixty-seven".