2878659718272 has 384 divisors, whose sum is σ = 9221906104320. Its totient is φ = 855932313600.

The previous prime is 2878659718229. The next prime is 2878659718279. The reversal of 2878659718272 is 2728179568782.

2878659718272 is a `hidden beast` number, since 2 + 8 + 7 + 8 + 6 + 597 + 1 + 8 + 27 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a self number, because there is not a number n which added to its sum of digits gives 2878659718272.

It is not an unprimeable number, because it can be changed into a prime (2878659718279) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 351437697 + ... + 351445887.

It is an arithmetic number, because the mean of its divisors is an integer number (24015380480).

Almost surely, 2^{2878659718272} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2878659718272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4610953052160).

2878659718272 is an abundant number, since it is smaller than the sum of its proper divisors (6343246386048).

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

2878659718272 is a wasteful number, since it uses less digits than its factorization.

2878659718272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9012 (or 8997 counting only the distinct ones).

The product of its digits is 379330560, while the sum is 72.

The spelling of 2878659718272 in words is "two trillion, eight hundred seventy-eight billion, six hundred fifty-nine million, seven hundred eighteen thousand, two hundred seventy-two".