7120829999 has 8 divisors (see below), whose sum is σ = 7272523440. Its totient is φ = 6969778816.

The previous prime is 7120829993. The next prime is 7120830029. The reversal of 7120829999 is 9999280217.

It is a happy number.

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 7120829999 - 2⁸ = 7120829743 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 (7120829993) 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, 138122 + ... + 182535.

It is an arithmetic number, because the mean of its divisors is an integer number (909065430).

Almost surely, 2^7120829999 is an apocalyptic number.

7120829999 is a deficient number, since it is larger than the sum of its proper divisors (151693441).

7120829999 is a wasteful number, since it uses less digits than its factorization.

7120829999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321129.

The product of its (nonzero) digits is 1469664, while the sum is 56.

The square root of 7120829999 is about 84385.0105113461. The cubic root of 7120829999 is about 1923.8750946348.

The spelling of 7120829999 in words is "seven billion, one hundred twenty million, eight hundred twenty-nine thousand, nine hundred ninety-nine".