994647762977 has 8 divisors (see below), whose sum is σ = 1089808587840. Its totient is φ = 900276654960.

The previous prime is 994647762973. The next prime is 994647763093. The reversal of 994647762977 is 779267746499.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 994647762977 - 2² = 994647762973 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 994647762898 and 994647762907.

It is not an unprimeable number, because it can be changed into a prime (994647762971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197426573 + ... + 197431610.

It is an arithmetic number, because the mean of its divisors is an integer number (136226073480).

Almost surely, 2^994647762977 is an apocalyptic number.

It is an amenable number.

994647762977 is a deficient number, since it is larger than the sum of its proper divisors (95160824863).

994647762977 is a wasteful number, since it uses less digits than its factorization.

994647762977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394858423.

The product of its digits is 2016379008, while the sum is 77.

The spelling of 994647762977 in words is "nine hundred ninety-four billion, six hundred forty-seven million, seven hundred sixty-two thousand, nine hundred seventy-seven".