189850677830 has 16 divisors (see below), whose sum is σ = 372797694864. Its totient is φ = 69036610080.

The previous prime is 189850677743. The next prime is 189850677853. The reversal of 189850677830 is 38776058981.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 862957517 + ... + 862957736.

It is an arithmetic number, because the mean of its divisors is an integer number (23299855929).

Almost surely, 2^189850677830 is an apocalyptic number.

189850677830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

189850677830 is a deficient number, since it is larger than the sum of its proper divisors (182947017034).

189850677830 is a wasteful number, since it uses less digits than its factorization.

189850677830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1725915271.

The product of its (nonzero) digits is 20321280, while the sum is 62.

The spelling of 189850677830 in words is "one hundred eighty-nine billion, eight hundred fifty million, six hundred seventy-seven thousand, eight hundred thirty".