1996187078 has 16 divisors (see below), whose sum is σ = 3024552960. Its totient is φ = 988017096.

The previous prime is 1996187069. The next prime is 1996187093. The reversal of 1996187078 is 8707816991.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 373775 + ... + 379077.

It is an arithmetic number, because the mean of its divisors is an integer number (189034560).

Almost surely, 2^1996187078 is an apocalyptic number.

1996187078 is a deficient number, since it is larger than the sum of its proper divisors (1028365882).

1996187078 is a wasteful number, since it uses less digits than its factorization.

1996187078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7171.

The product of its (nonzero) digits is 1524096, while the sum is 56.

The square root of 1996187078 is about 44678.7094486848. The cubic root of 1996187078 is about 1259.1198770958.

The spelling of 1996187078 in words is "one billion, nine hundred ninety-six million, one hundred eighty-seven thousand, seventy-eight".