628899468750 has 168 divisors, whose sum is σ = 1946574771024. Its totient is φ = 143748000000.

The previous prime is 628899468661. The next prime is 628899468793. The reversal of 628899468750 is 57864998826.

628899468750 is a `hidden beast` number, since 6 + 2 + 8 + 8 + 99 + 468 + 75 + 0 = 666.

628899468750 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 1809030 + ... + 2128470.

Almost surely, 2^628899468750 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 628899468750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (973287385512).

628899468750 is an abundant number, since it is smaller than the sum of its proper divisors (1317675302274).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

628899468750 is an equidigital number, since it uses as much as digits as its factorization.

628899468750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319486 (or 319458 counting only the distinct ones).

The product of its (nonzero) digits is 418037760, while the sum is 72.

The spelling of 628899468750 in words is "six hundred twenty-eight billion, eight hundred ninety-nine million, four hundred sixty-eight thousand, seven hundred fifty".