106089978 has 8 divisors (see below), whose sum is σ = 212179968. Its totient is φ = 35363324.

The previous prime is 106089953. The next prime is 106089983. The reversal of 106089978 is 879980601.

It is a happy number.

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

106089978 is an admirable number.

It is a super-2 number, since 2×106089978² = 22510166864080968, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8840826 + ... + 8840837.

It is an arithmetic number, because the mean of its divisors is an integer number (26522496).

Almost surely, 2^106089978 is an apocalyptic number.

106089978 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

106089978 is a wasteful number, since it uses less digits than its factorization.

106089978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17681668.

The product of its (nonzero) digits is 217728, while the sum is 48.

The square root of 106089978 is about 10299.9989320388. The cubic root of 106089978 is about 473.3962206774.

The spelling of 106089978 in words is "one hundred six million, eighty-nine thousand, nine hundred seventy-eight".