287879107 has 2 divisors, whose sum is σ = 287879108. Its totient is φ = 287879106.

The previous prime is 287879087. The next prime is 287879131. The reversal of 287879107 is 701978782.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 287879107 - 2⁷ = 287878979 is a prime.

It is not a weakly prime, because it can be changed into another prime (287879177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 143939553 + 143939554.

It is an arithmetic number, because the mean of its divisors is an integer number (143939554).

Almost surely, 2^287879107 is an apocalyptic number.

287879107 is a deficient number, since it is larger than the sum of its proper divisors (1).

287879107 is an equidigital number, since it uses as much as digits as its factorization.

287879107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 395136, while the sum is 49.

The square root of 287879107 is about 16967.0005304414. Note that the first 3 decimals coincide. The cubic root of 287879107 is about 660.2930340942.

The spelling of 287879107 in words is "two hundred eighty-seven million, eight hundred seventy-nine thousand, one hundred seven".