628535275231 has 8 divisors (see below), whose sum is σ = 638892934128. Its totient is φ = 618179352000.

The previous prime is 628535275223. The next prime is 628535275241. The reversal of 628535275231 is 132572535826.

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 628535275231 - 2³ = 628535275223 is a prime.

It is a super-2 number, since 2×628535275231² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628535275241) 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, 306636 + ... + 1162366.

It is an arithmetic number, because the mean of its divisors is an integer number (79861616766).

Almost surely, 2^628535275231 is an apocalyptic number.

628535275231 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

628535275231 is a deficient number, since it is larger than the sum of its proper divisors (10357658897).

628535275231 is a wasteful number, since it uses less digits than its factorization.

628535275231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867833.

The product of its digits is 3024000, while the sum is 49.

The spelling of 628535275231 in words is "six hundred twenty-eight billion, five hundred thirty-five million, two hundred seventy-five thousand, two hundred thirty-one".