287655673 has 4 divisors (see below), whose sum is σ = 291121488. Its totient is φ = 284189860.

The previous prime is 287655671. The next prime is 287655677. The reversal of 287655673 is 376556782.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 287655673 - 2¹ = 287655671 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (287655671) 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, 1732783 + ... + 1732948.

It is an arithmetic number, because the mean of its divisors is an integer number (72780372).

Almost surely, 2^287655673 is an apocalyptic number.

It is an amenable number.

287655673 is a deficient number, since it is larger than the sum of its proper divisors (3465815).

287655673 is an equidigital number, since it uses as much as digits as its factorization.

287655673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3465814.

The product of its digits is 2116800, while the sum is 49.

The square root of 287655673 is about 16960.4148828972. The cubic root of 287655673 is about 660.1221636431.

The spelling of 287655673 in words is "two hundred eighty-seven million, six hundred fifty-five thousand, six hundred seventy-three".