628798463 has 8 divisors (see below), whose sum is σ = 634495488. Its totient is φ = 623113344.

The previous prime is 628798433. The next prime is 628798481. The reversal of 628798463 is 364897826.

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 628798463 - 2¹⁴ = 628782079 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628798433) 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, 128795 + ... + 133587.

It is an arithmetic number, because the mean of its divisors is an integer number (79311936).

Almost surely, 2^628798463 is an apocalyptic number.

628798463 is a deficient number, since it is larger than the sum of its proper divisors (5697025).

628798463 is a wasteful number, since it uses less digits than its factorization.

628798463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5953.

The product of its digits is 3483648, while the sum is 53.

The square root of 628798463 is about 25075.8541828589. The cubic root of 628798463 is about 856.7165509836.

The spelling of 628798463 in words is "six hundred twenty-eight million, seven hundred ninety-eight thousand, four hundred sixty-three".