877066799560 has 192 divisors, whose sum is σ = 2489910055920. Its totient is φ = 276116520960.

The previous prime is 877066799473. The next prime is 877066799561. The reversal of 877066799560 is 65997660778.

It can be written as a sum of positive squares in 8 ways, for example, as 139862536324 + 737204263236 = 373982^2 + 858606^2 .

It is a Harshad number since it is a multiple of its sum of digits (70).

It is a self number, because there is not a number n which added to its sum of digits gives 877066799560.

It is not an unprimeable number, because it can be changed into a prime (877066799561) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1045114 + ... + 1687126.

Almost surely, 2^877066799560 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 877066799560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1244955027960).

877066799560 is an abundant number, since it is smaller than the sum of its proper divisors (1612843256360).

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

877066799560 is a wasteful number, since it uses less digits than its factorization.

877066799560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642096 (or 642085 counting only the distinct ones).

The product of its (nonzero) digits is 240045120, while the sum is 70.

The spelling of 877066799560 in words is "eight hundred seventy-seven billion, sixty-six million, seven hundred ninety-nine thousand, five hundred sixty".