873978880 has 88 divisors (see below), whose sum is σ = 2109065040. Its totient is φ = 347504640.

The previous prime is 873978869. The next prime is 873978893. The reversal of 873978880 is 88879378.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1079916 + ... + 1080724.

Almost surely, 2^873978880 is an apocalyptic number.

873978880 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 873978880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1054532520).

873978880 is an abundant number, since it is smaller than the sum of its proper divisors (1235086160).

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

873978880 is a wasteful number, since it uses less digits than its factorization.

873978880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1045 (or 1027 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 58.

The square root of 873978880 is about 29563.1337987027. The cubic root of 873978880 is about 956.0933832672.

The spelling of 873978880 in words is "eight hundred seventy-three million, nine hundred seventy-eight thousand, eight hundred eighty".