107857755 has 12 divisors (see below), whose sum is σ = 186953520. Its totient is φ = 57524112.

The previous prime is 107857747. The next prime is 107857781. The reversal of 107857755 is 557758701.

107857755 is a `hidden beast` number, since 1 + 0 + 78 + 577 + 5 + 5 = 666.

It is not a de Polignac number, because 107857755 - 2³ = 107857747 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 2396839 = 107857755 / (1 + 0 + 7 + 8 + 5 + 7 + 7 + 5 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 107857755.

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 11 ways as a sum of consecutive naturals, for example, 1198375 + ... + 1198464.

It is an arithmetic number, because the mean of its divisors is an integer number (15579460).

Almost surely, 2^107857755 is an apocalyptic number.

107857755 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

107857755 is a deficient number, since it is larger than the sum of its proper divisors (79095765).

107857755 is a wasteful number, since it uses less digits than its factorization.

107857755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2396850 (or 2396847 counting only the distinct ones).

The product of its (nonzero) digits is 343000, while the sum is 45.

The square root of 107857755 is about 10385.4588247222. The cubic root of 107857755 is about 476.0111497871.

The spelling of 107857755 in words is "one hundred seven million, eight hundred fifty-seven thousand, seven hundred fifty-five".