994077877827 has 32 divisors (see below), whose sum is σ = 1405384003584. Its totient is φ = 623912630400.

The previous prime is 994077877823. The next prime is 994077877861. The reversal of 994077877827 is 728778770499.

It is not a de Polignac number, because 994077877827 - 2² = 994077877823 is a prime.

It is not an unprimeable number, because it can be changed into a prime (994077877823) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27912802 + ... + 27948392.

It is an arithmetic number, because the mean of its divisors is an integer number (43918250112).

Almost surely, 2^994077877827 is an apocalyptic number.

994077877827 is a deficient number, since it is larger than the sum of its proper divisors (411306125757).

994077877827 is a wasteful number, since it uses less digits than its factorization.

994077877827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43779.

The product of its (nonzero) digits is 697019904, while the sum is 75.

The spelling of 994077877827 in words is "nine hundred ninety-four billion, seventy-seven million, eight hundred seventy-seven thousand, eight hundred twenty-seven".