999112747 has 2 divisors, whose sum is σ = 999112748. Its totient is φ = 999112746.

The previous prime is 999112711. The next prime is 999112757. The reversal of 999112747 is 747211999.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 999112747 - 2⁷ = 999112619 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 999112747.

It is not a weakly prime, because it can be changed into another prime (999112757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499556373 + 499556374.

It is an arithmetic number, because the mean of its divisors is an integer number (499556374).

Almost surely, 2^999112747 is an apocalyptic number.

999112747 is a deficient number, since it is larger than the sum of its proper divisors (1).

999112747 is an equidigital number, since it uses as much as digits as its factorization.

999112747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 285768, while the sum is 49.

The square root of 999112747 is about 31608.7447868466. The cubic root of 999112747 is about 999.7041614882.

The spelling of 999112747 in words is "nine hundred ninety-nine million, one hundred twelve thousand, seven hundred forty-seven".