106789891 has 8 divisors (see below), whose sum is σ = 115232544. Its totient is φ = 98379840.

The previous prime is 106789889. The next prime is 106789901. The reversal of 106789891 is 198987601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 106789891 - 2¹ = 106789889 is a prime.

It is a super-2 number, since 2×106789891² = 22808161639583762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106789841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1111 + ... + 14656.

It is an arithmetic number, because the mean of its divisors is an integer number (14404068).

Almost surely, 2^106789891 is an apocalyptic number.

106789891 is a deficient number, since it is larger than the sum of its proper divisors (8442653).

106789891 is a wasteful number, since it uses less digits than its factorization.

106789891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16301.

The product of its (nonzero) digits is 217728, while the sum is 49.

The square root of 106789891 is about 10333.9194403672. The cubic root of 106789891 is about 474.4349935725.

The spelling of 106789891 in words is "one hundred six million, seven hundred eighty-nine thousand, eight hundred ninety-one".