1996899775 has 18 divisors (see below), whose sum is σ = 2681286720. Its totient is φ = 1474630560.

The previous prime is 1996899757. The next prime is 1996899787. The reversal of 1996899775 is 5779986991.

It is not a de Polignac number, because 1996899775 - 2⁷ = 1996899647 is a prime.

It is a super-2 number, since 2×1996899775² = 7975217422790101250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 232095 + ... + 240544.

Almost surely, 2^1996899775 is an apocalyptic number.

1996899775 is a deficient number, since it is larger than the sum of its proper divisors (684386945).

1996899775 is a wasteful number, since it uses less digits than its factorization.

1996899775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472675 (or 472657 counting only the distinct ones).

The product of its digits is 77157360, while the sum is 70.

The square root of 1996899775 is about 44686.6845380142. The cubic root of 1996899775 is about 1259.2697067710.

The spelling of 1996899775 in words is "one billion, nine hundred ninety-six million, eight hundred ninety-nine thousand, seven hundred seventy-five".