80878449112362 has 144 divisors (see below), whose sum is σ = 202562088936480. Its totient is φ = 23126183640000.

The previous prime is 80878449112297. The next prime is 80878449112399. The reversal of 80878449112362 is 26321194487808.

It is a happy number.

80878449112362 is a `hidden beast` number, since 8 + 0 + 8 + 7 + 8 + 449 + 1 + 123 + 62 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 80878449112362.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 15686964 + ... + 20194992.

It is an arithmetic number, because the mean of its divisors is an integer number (1406681173170).

Almost surely, 2^{80878449112362} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80878449112362, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101281044468240).

80878449112362 is an abundant number, since it is smaller than the sum of its proper divisors (121683639824118).

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

80878449112362 is a wasteful number, since it uses less digits than its factorization.

80878449112362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4508337 (or 4508315 counting only the distinct ones).

The product of its (nonzero) digits is 37158912, while the sum is 63.

The spelling of 80878449112362 in words is "eighty trillion, eight hundred seventy-eight billion, four hundred forty-nine million, one hundred twelve thousand, three hundred sixty-two".