877920120000 has 3920 divisors, whose sum is σ = 4496037207552. Its totient is φ = 164229120000.

The previous prime is 877920119981. The next prime is 877920120013. The reversal of 877920120000 is 21029778.

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 559 ways as a sum of consecutive naturals, for example, 38170439989 + ... + 38170440011.

Almost surely, 2^877920120000 is an apocalyptic number.

877920120000 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 877920120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2248018603776).

877920120000 is an abundant number, since it is smaller than the sum of its proper divisors (3618117087552).

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

877920120000 is a wasteful number, since it uses less digits than its factorization.

877920120000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108 (or 68 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

Adding to 877920120000 its reverse (21029778), we get a palindrome (877941149778).

The spelling of 877920120000 in words is "eight hundred seventy-seven billion, nine hundred twenty million, one hundred twenty thousand".