106847978 has 8 divisors (see below), whose sum is σ = 160665060. Its totient is φ = 53292960.

The previous prime is 106847969. The next prime is 106847981. The reversal of 106847978 is 879748601.

It can be written as a sum of positive squares in 2 ways, for example, as 105124009 + 1723969 = 10253^2 + 1313^2 .

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

It is a super-2 number, since 2×106847978² = 22832980805376968, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64493 + ... + 66128.

Almost surely, 2^106847978 is an apocalyptic number.

106847978 is a deficient number, since it is larger than the sum of its proper divisors (53817082).

106847978 is a wasteful number, since it uses less digits than its factorization.

106847978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131032.

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

The square root of 106847978 is about 10336.7295601655. The cubic root of 106847978 is about 474.5209989363.

The spelling of 106847978 in words is "one hundred six million, eight hundred forty-seven thousand, nine hundred seventy-eight".