190772871 has 12 divisors (see below), whose sum is σ = 257917608. Its totient is φ = 125429184.

The previous prime is 190772837. The next prime is 190772873. The reversal of 190772871 is 178277091.

It is not a de Polignac number, because 190772871 - 2⁹ = 190772359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190772873) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10021 + ... + 21953.

It is an arithmetic number, because the mean of its divisors is an integer number (21493134).

Almost surely, 2^190772871 is an apocalyptic number.

190772871 is a deficient number, since it is larger than the sum of its proper divisors (67144737).

190772871 is an equidigital number, since it uses as much as digits as its factorization.

190772871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12082 (or 12009 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 42.

The square root of 190772871 is about 13812.0552779085. The cubic root of 190772871 is about 575.6681543637.

The spelling of 190772871 in words is "one hundred ninety million, seven hundred seventy-two thousand, eight hundred seventy-one".