872248878 has 64 divisors (see below), whose sum is σ = 2028525120. Its totient is φ = 277520256.

The previous prime is 872248877. The next prime is 872248879. The reversal of 872248878 is 878842278.

It is an interprime number because it is at equal distance from previous prime (872248877) and next prime (872248879).

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 (872248877) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 101776 + ... + 110012.

It is an arithmetic number, because the mean of its divisors is an integer number (31695705).

Almost surely, 2^872248878 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 872248878, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1014262560).

872248878 is an abundant number, since it is smaller than the sum of its proper divisors (1156276242).

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

872248878 is a wasteful number, since it uses less digits than its factorization.

872248878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8338 (or 8332 counting only the distinct ones).

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

The square root of 872248878 is about 29533.8598561041. The cubic root of 872248878 is about 955.4621185714.

It can be divided in two parts, 8722 and 48878, that added together give a square (57600 = 240²).

The spelling of 872248878 in words is "eight hundred seventy-two million, two hundred forty-eight thousand, eight hundred seventy-eight".