879641280 has 168 divisors, whose sum is σ = 3457907232. Its totient is φ = 201056256.

The previous prime is 879641249. The next prime is 879641303. The reversal of 879641280 is 82146978.

It is a tau number, because it is divible by the number of its divisors (168).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1657 + ... + 41976.

Almost surely, 2^879641280 is an apocalyptic number.

879641280 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 879641280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1728953616).

879641280 is an abundant number, since it is smaller than the sum of its proper divisors (2578265952).

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

879641280 is a wasteful number, since it uses less digits than its factorization.

879641280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43663 (or 43650 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 879641280 is about 29658.7471077252. The cubic root of 879641280 is about 958.1537432512.

The spelling of 879641280 in words is "eight hundred seventy-nine million, six hundred forty-one thousand, two hundred eighty".