867003687220520 has 32 divisors (see below), whose sum is σ = 1950787019121120. Its totient is φ = 346796368599360.

The previous prime is 867003687220469. The next prime is 867003687220523. The reversal of 867003687220520 is 25022786300768.

It is not an unprimeable number, because it can be changed into a prime (867003687220523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156820322 + ... + 162254801.

It is an arithmetic number, because the mean of its divisors is an integer number (60962094347535).

Almost surely, 2^{867003687220520} is an apocalyptic number.

It is an amenable number.

867003687220520 is an abundant number, since it is smaller than the sum of its proper divisors (1083783331900600).

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

867003687220520 is a wasteful number, since it uses less digits than its factorization.

867003687220520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319143065 (or 319143061 counting only the distinct ones).

The product of its (nonzero) digits is 13547520, while the sum is 56.

The spelling of 867003687220520 in words is "eight hundred sixty-seven trillion, three billion, six hundred eighty-seven million, two hundred twenty thousand, five hundred twenty".