7628029385 has 4 divisors (see below), whose sum is σ = 9153635268. Its totient is φ = 6102423504.

The previous prime is 7628029361. The next prime is 7628029391. The reversal of 7628029385 is 5839208267.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5613455929 + 2014573456 = 74923^2 + 44884^2 .

It is a cyclic number.

It is not a de Polignac number, because 7628029385 - 2²⁴ = 7611252169 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 762802934 + ... + 762802943.

It is an arithmetic number, because the mean of its divisors is an integer number (2288408817).

Almost surely, 2^7628029385 is an apocalyptic number.

It is an amenable number.

7628029385 is a deficient number, since it is larger than the sum of its proper divisors (1525605883).

7628029385 is a wasteful number, since it uses less digits than its factorization.

7628029385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1525605882.

The product of its (nonzero) digits is 1451520, while the sum is 50.

The square root of 7628029385 is about 87338.5904683605. The cubic root of 7628029385 is about 1968.5092163946.

The spelling of 7628029385 in words is "seven billion, six hundred twenty-eight million, twenty-nine thousand, three hundred eighty-five".