999311077 has 2 divisors, whose sum is σ = 999311078. Its totient is φ = 999311076.

The previous prime is 999311021. The next prime is 999311111. The reversal of 999311077 is 770113999.

999311077 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 996601761 + 2709316 = 31569^2 + 1646^2 .

It is a cyclic number.

It is not a de Polignac number, because 999311077 - 2¹¹ = 999309029 is a prime.

It is a super-2 number, since 2×999311077² = 1997245257229799858, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (999311477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499655538 + 499655539.

It is an arithmetic number, because the mean of its divisors is an integer number (499655539).

Almost surely, 2^999311077 is an apocalyptic number.

It is an amenable number.

999311077 is a deficient number, since it is larger than the sum of its proper divisors (1).

999311077 is an equidigital number, since it uses as much as digits as its factorization.

999311077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 107163, while the sum is 46.

The square root of 999311077 is about 31611.8818958948. The cubic root of 999311077 is about 999.7703062448.

The spelling of 999311077 in words is "nine hundred ninety-nine million, three hundred eleven thousand, seventy-seven".