287222994876160 has 72 divisors (see below), whose sum is σ = 786272948498016. Its totient is φ = 98476455383040.

The previous prime is 287222994876151. The next prime is 287222994876199. The reversal of 287222994876160 is 61678499222782.

It is a super-2 number, since 2×287222994876160² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16028059951 + ... + 16028077870.

It is an arithmetic number, because the mean of its divisors is an integer number (10920457618028).

Almost surely, 2^{287222994876160} is an apocalyptic number.

287222994876160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

287222994876160 is an abundant number, since it is smaller than the sum of its proper divisors (499049953621856).

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

287222994876160 is an equidigital number, since it uses as much as digits as its factorization.

287222994876160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32056137849 (or 32056137835 counting only the distinct ones).

The product of its (nonzero) digits is 585252864, while the sum is 73.

The spelling of 287222994876160 in words is "two hundred eighty-seven trillion, two hundred twenty-two billion, nine hundred ninety-four million, eight hundred seventy-six thousand, one hundred sixty".