7800056280 has 192 divisors, whose sum is σ = 27109274400. Its totient is φ = 1938124800.

The previous prime is 7800056273. The next prime is 7800056291. The reversal of 7800056280 is 826500087.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 611811 + ... + 624429.

Almost surely, 2^7800056280 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7800056280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13554637200).

7800056280 is an abundant number, since it is smaller than the sum of its proper divisors (19309218120).

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

7800056280 is a wasteful number, since it uses less digits than its factorization.

7800056280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12754 (or 12747 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 7800056280 is about 88317.9272854611. The cubic root of 7800056280 is about 1983.1972525015.

The spelling of 7800056280 in words is "seven billion, eight hundred million, fifty-six thousand, two hundred eighty".