994177004820 has 48 divisors (see below), whose sum is σ = 2793745102848. Its totient is φ = 264156773760.

The previous prime is 994177004819. The next prime is 994177004833. The reversal of 994177004820 is 28400771499.

994177004820 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29892436 + ... + 29925675.

It is an arithmetic number, because the mean of its divisors is an integer number (58203022976).

Almost surely, 2^994177004820 is an apocalyptic number.

It is an amenable number.

994177004820 is an abundant number, since it is smaller than the sum of its proper divisors (1799568098028).

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

994177004820 is a wasteful number, since it uses less digits than its factorization.

994177004820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59818400 (or 59818398 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 51.

The spelling of 994177004820 in words is "nine hundred ninety-four billion, one hundred seventy-seven million, four thousand, eight hundred twenty".