84279036272 has 20 divisors (see below), whose sum is σ = 163319048400. Its totient is φ = 42132185088.

The previous prime is 84279036253. The next prime is 84279036287. The reversal of 84279036272 is 27263097248.

It is a self number, because there is not a number n which added to its sum of digits gives 84279036272.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 362897 + ... + 547952.

It is an arithmetic number, because the mean of its divisors is an integer number (8165952420).

Almost surely, 2^84279036272 is an apocalyptic number.

It is an amenable number.

84279036272 is a deficient number, since it is larger than the sum of its proper divisors (79040012128).

84279036272 is a wasteful number, since it uses less digits than its factorization.

84279036272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916640 (or 916634 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 50.

The spelling of 84279036272 in words is "eighty-four billion, two hundred seventy-nine million, thirty-six thousand, two hundred seventy-two".