287880573664 has 24 divisors (see below), whose sum is σ = 600103991088. Its totient is φ = 135473210880.

The previous prime is 287880573649. The next prime is 287880573671. The reversal of 287880573664 is 466375088782.

It is a super-2 number, since 2×287880573664² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 287880573596 and 287880573605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 264595572 + ... + 264596659.

It is an arithmetic number, because the mean of its divisors is an integer number (25004332962).

Almost surely, 2^287880573664 is an apocalyptic number.

It is an amenable number.

287880573664 is an abundant number, since it is smaller than the sum of its proper divisors (312223417424).

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

287880573664 is a wasteful number, since it uses less digits than its factorization.

287880573664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529192258 (or 529192250 counting only the distinct ones).

The product of its (nonzero) digits is 108380160, while the sum is 64.

The spelling of 287880573664 in words is "two hundred eighty-seven billion, eight hundred eighty million, five hundred seventy-three thousand, six hundred sixty-four".