107642387 has 4 divisors (see below), whose sum is σ = 107988816. Its totient is φ = 107295960.

The previous prime is 107642377. The next prime is 107642399. The reversal of 107642387 is 783246701.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 107642387 - 2⁴ = 107642371 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 107642387.

It is not an unprimeable number, because it can be changed into a prime (107642347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172748 + ... + 173369.

It is an arithmetic number, because the mean of its divisors is an integer number (26997204).

Almost surely, 2^107642387 is an apocalyptic number.

107642387 is a deficient number, since it is larger than the sum of its proper divisors (346429).

107642387 is an equidigital number, since it uses as much as digits as its factorization.

107642387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346428.

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 107642387 is about 10375.0849153152. The cubic root of 107642387 is about 475.6941091316.

The spelling of 107642387 in words is "one hundred seven million, six hundred forty-two thousand, three hundred eighty-seven".