106778372 has 6 divisors (see below), whose sum is σ = 186862158. Its totient is φ = 53389184.

The previous prime is 106778299. The next prime is 106778381. The reversal of 106778372 is 273877601.

It can be written as a sum of positive squares in only one way, i.e., 85673536 + 21104836 = 9256^2 + 4594^2 .

It is a super-2 number, since 2×106778372² = 22803241453940768, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13347293 + ... + 13347300.

It is an arithmetic number, because the mean of its divisors is an integer number (31143693).

Almost surely, 2^106778372 is an apocalyptic number.

It is an amenable number.

106778372 is a deficient number, since it is larger than the sum of its proper divisors (80083786).

106778372 is a wasteful number, since it uses less digits than its factorization.

106778372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26694597 (or 26694595 counting only the distinct ones).

The product of its (nonzero) digits is 98784, while the sum is 41.

The square root of 106778372 is about 10333.3620859815. The cubic root of 106778372 is about 474.4179344884.

The spelling of 106778372 in words is "one hundred six million, seven hundred seventy-eight thousand, three hundred seventy-two".