999377147 has 8 divisors (see below), whose sum is σ = 1082773296. Its totient is φ = 918715392.

The previous prime is 999377107. The next prime is 999377153. The reversal of 999377147 is 741773999.

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 999377147 - 2¹² = 999373051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 999377092 and 999377101.

It is not an unprimeable number, because it can be changed into a prime (999377107) 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, 682838 + ... + 684299.

It is an arithmetic number, because the mean of its divisors is an integer number (135346662).

Almost surely, 2^999377147 is an apocalyptic number.

999377147 is a deficient number, since it is larger than the sum of its proper divisors (83396149).

999377147 is a wasteful number, since it uses less digits than its factorization.

999377147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1367197.

The product of its digits is 3000564, while the sum is 56.

The square root of 999377147 is about 31612.9268970780. The cubic root of 999377147 is about 999.7923392133.

The spelling of 999377147 in words is "nine hundred ninety-nine million, three hundred seventy-seven thousand, one hundred forty-seven".