894077877828 has 96 divisors (see below), whose sum is σ = 2274819120000. Its totient is φ = 272358789120.

The previous prime is 894077877811. The next prime is 894077877839. The reversal of 894077877828 is 828778770498.

It is a self number, because there is not a number n which added to its sum of digits gives 894077877828.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 294648 + ... + 1369296.

It is an arithmetic number, because the mean of its divisors is an integer number (23696032500).

Almost surely, 2^894077877828 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 894077877828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1137409560000).

894077877828 is an abundant number, since it is smaller than the sum of its proper divisors (1380741242172).

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

894077877828 is a wasteful number, since it uses less digits than its factorization.

894077877828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1074805 (or 1074803 counting only the distinct ones).

The product of its (nonzero) digits is 708083712, while the sum is 75.

The spelling of 894077877828 in words is "eight hundred ninety-four billion, seventy-seven million, eight hundred seventy-seven thousand, eight hundred twenty-eight".