287158036506880 has 864 divisors, whose sum is σ = 871885369861632. Its totient is φ = 88696073748480.

The previous prime is 287158036506799. The next prime is 287158036506893. The reversal of 287158036506880 is 88605630851782.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 63912313914 + ... + 63912318406.

It is an arithmetic number, because the mean of its divisors is an integer number (1009126585488).

Almost surely, 2^{287158036506880} is an apocalyptic number.

287158036506880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 287158036506880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (435942684930816).

287158036506880 is an abundant number, since it is smaller than the sum of its proper divisors (584727333354752).

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

287158036506880 is a wasteful number, since it uses less digits than its factorization.

287158036506880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5063 (or 5038 counting only the distinct ones).

The product of its (nonzero) digits is 154828800, while the sum is 67.

The spelling of 287158036506880 in words is "two hundred eighty-seven trillion, one hundred fifty-eight billion, thirty-six million, five hundred six thousand, eight hundred eighty".