7721703055 has 8 divisors (see below), whose sum is σ = 10108411344. Its totient is φ = 5615784000.

The previous prime is 7721703053. The next prime is 7721703071. The reversal of 7721703055 is 5503071277.

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

It is not a de Polignac number, because 7721703055 - 2¹ = 7721703053 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 (7721703053) 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, 70197246 + ... + 70197355.

It is an arithmetic number, because the mean of its divisors is an integer number (1263551418).

Almost surely, 2^7721703055 is an apocalyptic number.

7721703055 is a deficient number, since it is larger than the sum of its proper divisors (2386708289).

7721703055 is a wasteful number, since it uses less digits than its factorization.

7721703055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140394617.

The product of its (nonzero) digits is 51450, while the sum is 37.

The square root of 7721703055 is about 87873.2214898259. The cubic root of 7721703055 is about 1976.5343462175.

The spelling of 7721703055 in words is "seven billion, seven hundred twenty-one million, seven hundred three thousand, fifty-five".