2278573566876 has 192 divisors, whose sum is σ = 6480956966400. Its totient is φ = 689469760512.

The previous prime is 2278573566869. The next prime is 2278573566881. The reversal of 2278573566876 is 6786653758722.

2278573566876 is a `hidden beast` number, since 2 + 2 + 7 + 8 + 57 + 3 + 566 + 8 + 7 + 6 = 666.

It is a hoax number, since the sum of its digits (72) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5542731 + ... + 5939613.

It is an arithmetic number, because the mean of its divisors is an integer number (33754984200).

Almost surely, 2^{2278573566876} 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 2278573566876, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3240478483200).

2278573566876 is an abundant number, since it is smaller than the sum of its proper divisors (4202383399524).

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

2278573566876 is a wasteful number, since it uses less digits than its factorization.

2278573566876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397025 (or 397017 counting only the distinct ones).

The product of its digits is 1422489600, while the sum is 72.

The spelling of 2278573566876 in words is "two trillion, two hundred seventy-eight billion, five hundred seventy-three million, five hundred sixty-six thousand, eight hundred seventy-six".