628266467 has 4 divisors (see below), whose sum is σ = 665223336. Its totient is φ = 591309600.

The previous prime is 628266439. The next prime is 628266473. The reversal of 628266467 is 764662826.

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

It is a cyclic number.

It is not a de Polignac number, because 628266467 - 2⁸ = 628266211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (628266427) 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, 18478409 + ... + 18478442.

It is an arithmetic number, because the mean of its divisors is an integer number (166305834).

Almost surely, 2^628266467 is an apocalyptic number.

628266467 is a deficient number, since it is larger than the sum of its proper divisors (36956869).

628266467 is a wasteful number, since it uses less digits than its factorization.

628266467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36956868.

The product of its digits is 1161216, while the sum is 47.

The square root of 628266467 is about 25065.2442038772. The cubic root of 628266467 is about 856.4748739861.

The spelling of 628266467 in words is "six hundred twenty-eight million, two hundred sixty-six thousand, four hundred sixty-seven".