190840869927 has 24 divisors (see below), whose sum is σ = 281551835136. Its totient is φ = 124508025936.

The previous prime is 190840869859. The next prime is 190840869949. The reversal of 190840869927 is 729968048091.

It is not a de Polignac number, because 190840869927 - 2²³ = 190832481319 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190840869977) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6638178 + ... + 6666864.

It is an arithmetic number, because the mean of its divisors is an integer number (11731326464).

Almost surely, 2^190840869927 is an apocalyptic number.

190840869927 is a deficient number, since it is larger than the sum of its proper divisors (90710965209).

190840869927 is a wasteful number, since it uses less digits than its factorization.

190840869927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44467 (or 44464 counting only the distinct ones).

The product of its (nonzero) digits is 15676416, while the sum is 63.

The spelling of 190840869927 in words is "one hundred ninety billion, eight hundred forty million, eight hundred sixty-nine thousand, nine hundred twenty-seven".