630976878000 has 800 divisors, whose sum is σ = 2624120378880. Its totient is φ = 143149939200.

The previous prime is 630976877987. The next prime is 630976878019. The reversal of 630976878000 is 878679036.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 157623999 + ... + 157628001.

Almost surely, 2^630976878000 is an apocalyptic number.

630976878000 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 630976878000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1312060189440).

630976878000 is an abundant number, since it is smaller than the sum of its proper divisors (1993143500880).

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

630976878000 is a wasteful number, since it uses less digits than its factorization.

630976878000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4184 (or 4159 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 54.

The spelling of 630976878000 in words is "six hundred thirty billion, nine hundred seventy-six million, eight hundred seventy-eight thousand".