106908978 has 32 divisors (see below), whose sum is σ = 233658432. Its totient is φ = 32340800.

The previous prime is 106908959. The next prime is 106909013. The reversal of 106908978 is 879809601.

It is a happy number.

It is a super-2 number, since 2×106908978² = 22859059154008968, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53200 + ... + 55172.

It is an arithmetic number, because the mean of its divisors is an integer number (7301826).

Almost surely, 2^106908978 is an apocalyptic number.

106908978 is an abundant number, since it is smaller than the sum of its proper divisors (126749454).

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

106908978 is a wasteful number, since it uses less digits than its factorization.

106908978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2810.

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

The square root of 106908978 is about 10339.6797822757. The cubic root of 106908978 is about 474.6112838277.

The spelling of 106908978 in words is "one hundred six million, nine hundred eight thousand, nine hundred seventy-eight".