628597783899999 has 24 divisors (see below), whose sum is σ = 925112654062272. Its totient is φ = 411155418223680.

The previous prime is 628597783899947. The next prime is 628597783900049. The reversal of 628597783899999 is 999998387795826.

628597783899999 is a `hidden beast` number, since 6 + 2 + 8 + 59 + 7 + 78 + 389 + 9 + 9 + 99 = 666.

It is not a de Polignac number, because 628597783899999 - 2²¹ = 628597781802847 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 628597783899999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628597783892999) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64624369 + ... + 73712309.

It is an arithmetic number, because the mean of its divisors is an integer number (38546360585928).

Almost surely, 2^{628597783899999} is an apocalyptic number.

628597783899999 is a deficient number, since it is larger than the sum of its proper divisors (296514870162273).

628597783899999 is a wasteful number, since it uses less digits than its factorization.

628597783899999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9233007 (or 9233004 counting only the distinct ones).

The product of its digits is 2399902525440, while the sum is 108.

The spelling of 628597783899999 in words is "six hundred twenty-eight trillion, five hundred ninety-seven billion, seven hundred eighty-three million, eight hundred ninety-nine thousand, nine hundred ninety-nine".