628678426235 has 8 divisors (see below), whose sum is σ = 758363924736. Its totient is φ = 500309532160.

The previous prime is 628678426219. The next prime is 628678426279. The reversal of 628678426235 is 532624876826.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 628678426235 - 2⁴ = 628678426219 is a prime.

It is a super-2 number, since 2×628678426235² (a number of 24 digits) contains 22 as substring.

It is a Duffinian 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, 329150054 + ... + 329151963.

It is an arithmetic number, because the mean of its divisors is an integer number (94795490592).

Almost surely, 2^628678426235 is an apocalyptic number.

628678426235 is a deficient number, since it is larger than the sum of its proper divisors (129685498501).

628678426235 is a wasteful number, since it uses less digits than its factorization.

628678426235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658302213.

The product of its digits is 46448640, while the sum is 59.

The spelling of 628678426235 in words is "six hundred twenty-eight billion, six hundred seventy-eight million, four hundred twenty-six thousand, two hundred thirty-five".