7897563180 has 768 divisors, whose sum is σ = 30549657600. Its totient is φ = 1693052928.

The previous prime is 7897563119. The next prime is 7897563187. The reversal of 7897563180 is 813657987.

7897563180 is a `hidden beast` number, since 78 + 9 + 7 + 563 + 1 + 8 + 0 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7897563187) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 183664239 + ... + 183664281.

It is an arithmetic number, because the mean of its divisors is an integer number (39778200).

Almost surely, 2^7897563180 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 7897563180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15274828800).

7897563180 is an abundant number, since it is smaller than the sum of its proper divisors (22652094420).

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

7897563180 is a wasteful number, since it uses less digits than its factorization.

7897563180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122 (or 102 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 54.

The square root of 7897563180 is about 88868.2349323987. The cubic root of 7897563180 is about 1991.4269018361.

The spelling of 7897563180 in words is "seven billion, eight hundred ninety-seven million, five hundred sixty-three thousand, one hundred eighty".