999770014 has 4 divisors (see below), whose sum is σ = 1499655024. Its totient is φ = 499885006.

The previous prime is 999770011. The next prime is 999770021. The reversal of 999770014 is 410077999.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 410077999 = 5279 ⋅77681.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (999770011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249942502 + ... + 249942505.

It is an arithmetic number, because the mean of its divisors is an integer number (374913756).

Almost surely, 2^999770014 is an apocalyptic number.

999770014 is a deficient number, since it is larger than the sum of its proper divisors (499885010).

999770014 is a wasteful number, since it uses less digits than its factorization.

999770014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499885009.

The product of its (nonzero) digits is 142884, while the sum is 46.

The square root of 999770014 is about 31619.1399946298. The cubic root of 999770014 is about 999.9233321222.

The spelling of 999770014 in words is "nine hundred ninety-nine million, seven hundred seventy thousand, fourteen".