873858780 has 240 divisors, whose sum is σ = 2927232000. Its totient is φ = 217717632.

The previous prime is 873858779. The next prime is 873858787. The reversal of 873858780 is 87858378.

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 (873858787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1750971 + ... + 1751469.

It is an arithmetic number, because the mean of its divisors is an integer number (12196800).

Almost surely, 2^873858780 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 873858780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1463616000).

873858780 is an abundant number, since it is smaller than the sum of its proper divisors (2053373220).

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

873858780 is a wasteful number, since it uses less digits than its factorization.

873858780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590 (or 579 counting only the distinct ones).

The product of its (nonzero) digits is 3010560, while the sum is 54.

The square root of 873858780 is about 29561.1024828236. The cubic root of 873858780 is about 956.0495866041.

The spelling of 873858780 in words is "eight hundred seventy-three million, eight hundred fifty-eight thousand, seven hundred eighty".