84071287448 has 32 divisors (see below), whose sum is σ = 165133512000. Its totient is φ = 40072381440.

The previous prime is 84071287411. The next prime is 84071287493. The reversal of 84071287448 is 84478217048.

It is a super-4 number, since 4×84071287448⁴ (a number of 45 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 84071287448.

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, 2275193 + ... + 2311848.

It is an arithmetic number, because the mean of its divisors is an integer number (5160422250).

Almost surely, 2^84071287448 is an apocalyptic number.

It is an amenable number.

84071287448 is a deficient number, since it is larger than the sum of its proper divisors (81062224552).

84071287448 is a wasteful number, since it uses less digits than its factorization.

84071287448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4587155 (or 4587151 counting only the distinct ones).

The product of its (nonzero) digits is 3211264, while the sum is 53.

The spelling of 84071287448 in words is "eighty-four billion, seventy-one million, two hundred eighty-seven thousand, four hundred forty-eight".