999133077 has 8 divisors (see below), whose sum is σ = 1345911616. Its totient is φ = 659221632.

The previous prime is 999133073. The next prime is 999133117. The reversal of 999133077 is 770331999.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 999133077 - 2² = 999133073 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (999133073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1716433 + ... + 1717014.

It is an arithmetic number, because the mean of its divisors is an integer number (168238952).

Almost surely, 2^999133077 is an apocalyptic number.

999133077 is a gapful number since it is divisible by the number (97) formed by its first and last digit.

It is an amenable number.

999133077 is a deficient number, since it is larger than the sum of its proper divisors (346778539).

999133077 is a wasteful number, since it uses less digits than its factorization.

999133077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3433547.

The product of its (nonzero) digits is 321489, while the sum is 48.

The square root of 999133077 is about 31609.0663734315. The cubic root of 999133077 is about 999.7109421203.

The spelling of 999133077 in words is "nine hundred ninety-nine million, one hundred thirty-three thousand, seventy-seven".