628068011 has 4 divisors (see below), whose sum is σ = 629567400. Its totient is φ = 626568624.

The previous prime is 628067989. The next prime is 628068031. The reversal of 628068011 is 110860826.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110860826 = 2 ⋅55430413.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-628068011 is a prime.

It is a super-2 number, since 2×628068011² = 788938852882992242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (628068031) 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, 749066 + ... + 749903.

It is an arithmetic number, because the mean of its divisors is an integer number (157391850).

Almost surely, 2^628068011 is an apocalyptic number.

628068011 is a deficient number, since it is larger than the sum of its proper divisors (1499389).

628068011 is a wasteful number, since it uses less digits than its factorization.

628068011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1499388.

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 628068011 is about 25061.2851027237. The cubic root of 628068011 is about 856.3846837635.

The spelling of 628068011 in words is "six hundred twenty-eight million, sixty-eight thousand, eleven".