287300172052 has 12 divisors (see below), whose sum is σ = 502782581056. Its totient is φ = 143648006040.

The previous prime is 287300172041. The next prime is 287300172083. The reversal of 287300172052 is 250271003782.

It is a super-2 number, since 2×287300172052² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185274 + ... + 780337.

Almost surely, 2^287300172052 is an apocalyptic number.

It is an amenable number.

287300172052 is a deficient number, since it is larger than the sum of its proper divisors (215482409004).

287300172052 is a wasteful number, since it uses less digits than its factorization.

287300172052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1039998 (or 1039996 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 37.

The spelling of 287300172052 in words is "two hundred eighty-seven billion, three hundred million, one hundred seventy-two thousand, fifty-two".