287998796071 has 16 divisors (see below), whose sum is σ = 330327920448. Its totient is φ = 245967724800.

The previous prime is 287998796053. The next prime is 287998796089. The reversal of 287998796071 is 170697899782.

It is an interprime number because it is at equal distance from previous prime (287998796053) and next prime (287998796089).

It is not a de Polignac number, because 287998796071 - 2¹¹ = 287998794023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 287998795985 and 287998796003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (287998796021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2359971 + ... + 2479003.

It is an arithmetic number, because the mean of its divisors is an integer number (20645495028).

Almost surely, 2^287998796071 is an apocalyptic number.

287998796071 is a deficient number, since it is larger than the sum of its proper divisors (42329124377).

287998796071 is a wasteful number, since it uses less digits than its factorization.

287998796071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120282.

The product of its (nonzero) digits is 192036096, while the sum is 73.

The spelling of 287998796071 in words is "two hundred eighty-seven billion, nine hundred ninety-eight million, seven hundred ninety-six thousand, seventy-one".