196105887 has 16 divisors (see below), whose sum is σ = 294208000. Its totient is φ = 129080952.

The previous prime is 196105873. The next prime is 196105901. The reversal of 196105887 is 788501691.

196105887 is a `hidden beast` number, since 1 + 9 + 61 + 0 + 588 + 7 = 666.

It is an interprime number because it is at equal distance from previous prime (196105873) and next prime (196105901).

It is not a de Polignac number, because 196105887 - 2⁶ = 196105823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196105807) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43837 + ... + 48102.

It is an arithmetic number, because the mean of its divisors is an integer number (18388000).

Almost surely, 2^196105887 is an apocalyptic number.

196105887 is a deficient number, since it is larger than the sum of its proper divisors (98102113).

196105887 is an equidigital number, since it uses as much as digits as its factorization.

196105887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92027 (or 92021 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 45.

The square root of 196105887 is about 14003.7811679560. The cubic root of 196105887 is about 580.9831590988.

The spelling of 196105887 in words is "one hundred ninety-six million, one hundred five thousand, eight hundred eighty-seven".