107278387 has 8 divisors (see below), whose sum is σ = 108179456. Its totient is φ = 106381512.

The previous prime is 107278357. The next prime is 107278399. The reversal of 107278387 is 783872701.

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

It is a cyclic number.

It is not a de Polignac number, because 107278387 - 2¹¹ = 107276339 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (107278357) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 67678 + ... + 69244.

It is an arithmetic number, because the mean of its divisors is an integer number (13522432).

Almost surely, 2^107278387 is an apocalyptic number.

107278387 is a deficient number, since it is larger than the sum of its proper divisors (901069).

107278387 is a wasteful number, since it uses less digits than its factorization.

107278387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2097.

The product of its (nonzero) digits is 131712, while the sum is 43.

The square root of 107278387 is about 10357.5280352022. The cubic root of 107278387 is about 475.1573063477.

The spelling of 107278387 in words is "one hundred seven million, two hundred seventy-eight thousand, three hundred eighty-seven".