628082629 has 4 divisors (see below), whose sum is σ = 665028684. Its totient is φ = 591136576.

The previous prime is 628082621. The next prime is 628082633. The reversal of 628082629 is 926280826.

It is a happy number.

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 459030625 + 169052004 = 21425^2 + 13002^2 .

It is a cyclic number.

It is not a de Polignac number, because 628082629 - 2³ = 628082621 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 (628082621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18473002 + ... + 18473035.

It is an arithmetic number, because the mean of its divisors is an integer number (166257171).

Almost surely, 2^628082629 is an apocalyptic number.

It is an amenable number.

628082629 is a deficient number, since it is larger than the sum of its proper divisors (36946055).

628082629 is a wasteful number, since it uses less digits than its factorization.

628082629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36946054.

The product of its (nonzero) digits is 165888, while the sum is 43.

The square root of 628082629 is about 25061.5767460868. The cubic root of 628082629 is about 856.3913277012.

The spelling of 628082629 in words is "six hundred twenty-eight million, eighty-two thousand, six hundred twenty-nine".