106884779 has 4 divisors (see below), whose sum is σ = 107830776. Its totient is φ = 105938784.

The previous prime is 106884737. The next prime is 106884787. The reversal of 106884779 is 977488601.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-106884779 is a prime.

It is a super-2 number, since 2×106884779² = 22848711963757682, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106881779) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 472829 + ... + 473054.

It is an arithmetic number, because the mean of its divisors is an integer number (26957694).

Almost surely, 2^106884779 is an apocalyptic number.

106884779 is a deficient number, since it is larger than the sum of its proper divisors (945997).

106884779 is an equidigital number, since it uses as much as digits as its factorization.

106884779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945996.

The product of its (nonzero) digits is 677376, while the sum is 50.

The square root of 106884779 is about 10338.5095153992. The cubic root of 106884779 is about 474.5754714780.

The spelling of 106884779 in words is "one hundred six million, eight hundred eighty-four thousand, seven hundred seventy-nine".