994787899 has 16 divisors (see below), whose sum is σ = 1198307520. Its totient is φ = 807730560.

The previous prime is 994787897. The next prime is 994787917. The reversal of 994787899 is 998787499.

It is a happy number.

It is not a de Polignac number, because 994787899 - 2¹ = 994787897 is a prime.

It is a super-3 number, since 3×994787899³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (994787891) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35472 + ... + 56989.

It is an arithmetic number, because the mean of its divisors is an integer number (74894220).

Almost surely, 2^994787899 is an apocalyptic number.

994787899 is a deficient number, since it is larger than the sum of its proper divisors (203519621).

994787899 is a wasteful number, since it uses less digits than its factorization.

994787899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92550.

The product of its digits is 82301184, while the sum is 70.

The square root of 994787899 is about 31540.2583851179. The cubic root of 994787899 is about 998.2596057852.

The spelling of 994787899 in words is "nine hundred ninety-four million, seven hundred eighty-seven thousand, eight hundred ninety-nine".