628631771746 has 8 divisors (see below), whose sum is σ = 1028670171984. Its totient is φ = 285741714420.

The previous prime is 628631771731. The next prime is 628631771759. The reversal of 628631771746 is 647177136826.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14287085700 + ... + 14287085743.

It is an arithmetic number, because the mean of its divisors is an integer number (128583771498).

Almost surely, 2^628631771746 is an apocalyptic number.

628631771746 is a deficient number, since it is larger than the sum of its proper divisors (400038400238).

628631771746 is a wasteful number, since it uses less digits than its factorization.

628631771746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28574171456.

The product of its digits is 14224896, while the sum is 58.

The spelling of 628631771746 in words is "six hundred twenty-eight billion, six hundred thirty-one million, seven hundred seventy-one thousand, seven hundred forty-six".