3828728707 has 8 divisors (see below), whose sum is σ = 3925232640. Its totient is φ = 3732373440.

The previous prime is 3828728671. The next prime is 3828728723. The reversal of 3828728707 is 7078278283.

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 3828728707 - 2²³ = 3820340099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3828728767) 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, 15933 + ... + 88945.

It is an arithmetic number, because the mean of its divisors is an integer number (490654080).

Almost surely, 2^3828728707 is an apocalyptic number.

3828728707 is a deficient number, since it is larger than the sum of its proper divisors (96503933).

3828728707 is a wasteful number, since it uses less digits than its factorization.

3828728707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74333.

The product of its (nonzero) digits is 2107392, while the sum is 52.

The square root of 3828728707 is about 61876.7218507897. The cubic root of 3828728707 is about 1564.4134153646.

The spelling of 3828728707 in words is "three billion, eight hundred twenty-eight million, seven hundred twenty-eight thousand, seven hundred seven".