628287542264 has 16 divisors (see below), whose sum is σ = 1179026619120. Its totient is φ = 313880443840.

The previous prime is 628287542261. The next prime is 628287542317. The reversal of 628287542264 is 462245782826.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628287542261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32905772 + ... + 32924859.

It is an arithmetic number, because the mean of its divisors is an integer number (73689163695).

Almost surely, 2^628287542264 is an apocalyptic number.

It is an amenable number.

628287542264 is a deficient number, since it is larger than the sum of its proper divisors (550739076856).

628287542264 is a wasteful number, since it uses less digits than its factorization.

628287542264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65831830 (or 65831826 counting only the distinct ones).

The product of its digits is 20643840, while the sum is 56.

The spelling of 628287542264 in words is "six hundred twenty-eight billion, two hundred eighty-seven million, five hundred forty-two thousand, two hundred sixty-four".