7860045772800 has 1152 divisors, whose sum is σ = 31229201203200. Its totient is φ = 1926264913920.

The previous prime is 7860045772783. The next prime is 7860045772823. The reversal of 7860045772800 is 82775400687.

It is a happy number.

7860045772800 is a `hidden beast` number, since 7 + 8 + 60 + 0 + 4 + 577 + 2 + 8 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1152).

It is a super-2 number, since 2×7860045772800² (a number of 27 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4726424769 + ... + 4726426431.

It is an arithmetic number, because the mean of its divisors is an integer number (27108681600).

Almost surely, 2^{7860045772800} 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 7860045772800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15614600601600).

7860045772800 is an abundant number, since it is smaller than the sum of its proper divisors (23369155430400).

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

7860045772800 is a wasteful number, since it uses less digits than its factorization.

7860045772800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1980 (or 1949 counting only the distinct ones).

The product of its (nonzero) digits is 5268480, while the sum is 54.

The spelling of 7860045772800 in words is "seven trillion, eight hundred sixty billion, forty-five million, seven hundred seventy-two thousand, eight hundred".