196502945987 has 8 divisors (see below), whose sum is σ = 197257077360. Its totient is φ = 195748990240.

The previous prime is 196502945971. The next prime is 196502945993. The reversal of 196502945987 is 789549205691.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 196502945987 - 2⁴ = 196502945971 is a prime.

It is a super-2 number, since 2×196502945987² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (196502945087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2473628 + ... + 2551830.

It is an arithmetic number, because the mean of its divisors is an integer number (24657134670).

Almost surely, 2^196502945987 is an apocalyptic number.

196502945987 is a deficient number, since it is larger than the sum of its proper divisors (754131373).

196502945987 is an equidigital number, since it uses as much as digits as its factorization.

196502945987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87813.

The product of its (nonzero) digits is 48988800, while the sum is 65.

The spelling of 196502945987 in words is "one hundred ninety-six billion, five hundred two million, nine hundred forty-five thousand, nine hundred eighty-seven".