8388728101 has 8 divisors (see below), whose sum is σ = 9127150424. Its totient is φ = 7663610880.

The previous prime is 8388728083. The next prime is 8388728129. The reversal of 8388728101 is 1018278838.

It is a happy number.

It is a Cunningham number, because it is equal to 91590²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 1 + 8388728100 = 1^2 + 91590^2 .

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 8388728101 - 2⁷ = 8388727973 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 (8388728191) 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, 3324960 + ... + 3327481.

It is an arithmetic number, because the mean of its divisors is an integer number (1140893803).

Almost surely, 2^8388728101 is an apocalyptic number.

It is an amenable number.

8388728101 is a deficient number, since it is larger than the sum of its proper divisors (738422323).

8388728101 is a wasteful number, since it uses less digits than its factorization.

8388728101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6652551.

The product of its (nonzero) digits is 172032, while the sum is 46.

The square root of 8388728101 is about 91590.0000054591. Note that the first 5 decimals coincide. The cubic root of 8388728101 is about 2031.8830433548.

The spelling of 8388728101 in words is "eight billion, three hundred eighty-eight million, seven hundred twenty-eight thousand, one hundred one".