190671719087 has 2 divisors, whose sum is σ = 190671719088. Its totient is φ = 190671719086.

The previous prime is 190671719071. The next prime is 190671719137. The reversal of 190671719087 is 780917176091.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 190671719087 - 2⁴ = 190671719071 is a prime.

It is a super-2 number, since 2×190671719087² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (190671719057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95335859543 + 95335859544.

It is an arithmetic number, because the mean of its divisors is an integer number (95335859544).

Almost surely, 2^190671719087 is an apocalyptic number.

190671719087 is a deficient number, since it is larger than the sum of its proper divisors (1).

190671719087 is an equidigital number, since it uses as much as digits as its factorization.

190671719087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1333584, while the sum is 56.

The spelling of 190671719087 in words is "one hundred ninety billion, six hundred seventy-one million, seven hundred nineteen thousand, eighty-seven".