107989193890 has 16 divisors (see below), whose sum is σ = 194893433280. Its totient is φ = 43081703280.

The previous prime is 107989193869. The next prime is 107989193927. The reversal of 107989193890 is 98391989701.

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, 14242806 + ... + 14250385.

It is an arithmetic number, because the mean of its divisors is an integer number (12180839580).

Almost surely, 2^107989193890 is an apocalyptic number.

107989193890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

107989193890 is a deficient number, since it is larger than the sum of its proper divisors (86904239390).

107989193890 is a wasteful number, since it uses less digits than its factorization.

107989193890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28493577.

The product of its (nonzero) digits is 8817984, while the sum is 64.

The spelling of 107989193890 in words is "one hundred seven billion, nine hundred eighty-nine million, one hundred ninety-three thousand, eight hundred ninety".