881070648 has 64 divisors (see below), whose sum is σ = 2304529920. Its totient is φ = 280416000.

The previous prime is 881070643. The next prime is 881070649. The reversal of 881070648 is 846070188.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (881070643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36723 + ... + 55773.

It is an arithmetic number, because the mean of its divisors is an integer number (36008280).

Almost surely, 2^881070648 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 881070648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1152264960).

881070648 is an abundant number, since it is smaller than the sum of its proper divisors (1423459272).

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

881070648 is a wasteful number, since it uses less digits than its factorization.

881070648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19148 (or 19144 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 42.

The square root of 881070648 is about 29682.8342312522. The cubic root of 881070648 is about 958.6724445231.

The spelling of 881070648 in words is "eight hundred eighty-one million, seventy thousand, six hundred forty-eight".