994479777627 has 32 divisors (see below), whose sum is σ = 1551855647232. Its totient is φ = 554623179264.

The previous prime is 994479777607. The next prime is 994479777647. The reversal of 994479777627 is 726777974499.

It is an interprime number because it is at equal distance from previous prime (994479777607) and next prime (994479777647).

It is not a de Polignac number, because 994479777627 - 2¹¹ = 994479775579 is a prime.

It is a super-2 number, since 2×994479777627² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (994479777607) 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, 721923 + ... + 1584339.

It is an arithmetic number, because the mean of its divisors is an integer number (48495488976).

Almost surely, 2^994479777627 is an apocalyptic number.

994479777627 is a deficient number, since it is larger than the sum of its proper divisors (557375869605).

994479777627 is a wasteful number, since it uses less digits than its factorization.

994479777627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863747.

The product of its digits is 2352442176, while the sum is 78.

The spelling of 994479777627 in words is "nine hundred ninety-four billion, four hundred seventy-nine million, seven hundred seventy-seven thousand, six hundred twenty-seven".