42877808820 has 288 divisors, whose sum is σ = 170691655680. Its totient is φ = 8440692480.

The previous prime is 42877808797. The next prime is 42877808843. The reversal of 42877808820 is 2880877824.

It is an interprime number because it is at equal distance from previous prime (42877808797) and next prime (42877808843).

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, 181929 + ... + 344751.

It is an arithmetic number, because the mean of its divisors is an integer number (592679360).

Almost surely, 2^42877808820 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 42877808820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85345827840).

42877808820 is an abundant number, since it is smaller than the sum of its proper divisors (127813846860).

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

42877808820 is a wasteful number, since it uses less digits than its factorization.

42877808820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162875 (or 162870 counting only the distinct ones).

The product of its (nonzero) digits is 3211264, while the sum is 54.

The spelling of 42877808820 in words is "forty-two billion, eight hundred seventy-seven million, eight hundred eight thousand, eight hundred twenty".