8277897799680 has 384 divisors, whose sum is σ = 27356623257600. Its totient is φ = 2134705766400.

The previous prime is 8277897799673. The next prime is 8277897799681. The reversal of 8277897799680 is 869977987728.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (384).

It is not an unprimeable number, because it can be changed into a prime (8277897799681) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2029391881 + ... + 2029395959.

It is an arithmetic number, because the mean of its divisors is an integer number (71241206400).

Almost surely, 2^{8277897799680} is an apocalyptic number.

8277897799680 is a gapful number since it is divisible by the number (80) 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 8277897799680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13678311628800).

8277897799680 is an abundant number, since it is smaller than the sum of its proper divisors (19078725457920).

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

8277897799680 is a wasteful number, since it uses less digits than its factorization.

8277897799680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6271 (or 6251 counting only the distinct ones).

The product of its (nonzero) digits is 10754021376, while the sum is 87.

The spelling of 8277897799680 in words is "eight trillion, two hundred seventy-seven billion, eight hundred ninety-seven million, seven hundred ninety-nine thousand, six hundred eighty".