287979063 has 4 divisors (see below), whose sum is σ = 383972088. Its totient is φ = 191986040.

The previous prime is 287979061. The next prime is 287979073. The reversal of 287979063 is 360979782.

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 287979063 - 2¹ = 287979061 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 287978997 and 287979015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (287979061) 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, 47996508 + ... + 47996513.

It is an arithmetic number, because the mean of its divisors is an integer number (95993022).

Almost surely, 2^287979063 is an apocalyptic number.

287979063 is a deficient number, since it is larger than the sum of its proper divisors (95993025).

287979063 is an equidigital number, since it uses as much as digits as its factorization.

287979063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95993024.

The product of its (nonzero) digits is 1143072, while the sum is 51.

The square root of 287979063 is about 16969.9458749873. The cubic root of 287979063 is about 660.3694465090.

The spelling of 287979063 in words is "two hundred eighty-seven million, nine hundred seventy-nine thousand, sixty-three".