287648364966 has 32 divisors (see below), whose sum is σ = 590783251968. Its totient is φ = 93324244320.

The previous prime is 287648364959. The next prime is 287648364967. The reversal of 287648364966 is 669463846782.

It is a super-2 number, since 2×287648364966² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 287648364966.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (287648364967) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2766720 + ... + 2868803.

It is an arithmetic number, because the mean of its divisors is an integer number (18461976624).

Almost surely, 2^287648364966 is an apocalyptic number.

287648364966 is an abundant number, since it is smaller than the sum of its proper divisors (303134887002).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

287648364966 is a wasteful number, since it uses less digits than its factorization.

287648364966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5635756.

The product of its digits is 501645312, while the sum is 69.

The spelling of 287648364966 in words is "two hundred eighty-seven billion, six hundred forty-eight million, three hundred sixty-four thousand, nine hundred sixty-six".