8628626428 has 24 divisors (see below), whose sum is σ = 15686513024. Its totient is φ = 4148539200.

The previous prime is 8628626417. The next prime is 8628626449. The reversal of 8628626428 is 8246268268.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202143 + ... + 241078.

Almost surely, 2^8628626428 is an apocalyptic number.

It is an amenable number.

8628626428 is a deficient number, since it is larger than the sum of its proper divisors (7057886596).

8628626428 is a wasteful number, since it uses less digits than its factorization.

8628626428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443413 (or 443411 counting only the distinct ones).

The product of its digits is 3538944, while the sum is 52.

The square root of 8628626428 is about 92890.4000852618. The cubic root of 8628626428 is about 2051.0703455158.

The spelling of 8628626428 in words is "eight billion, six hundred twenty-eight million, six hundred twenty-six thousand, four hundred twenty-eight".