881098064 has 80 divisors (see below), whose sum is σ = 2147541120. Its totient is φ = 340193280.

The previous prime is 881098061. The next prime is 881098069. The reversal of 881098064 is 460890188.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (881098061) 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 15 ways as a sum of consecutive naturals, for example, 136052 + ... + 142380.

It is an arithmetic number, because the mean of its divisors is an integer number (26844264).

Almost surely, 2^881098064 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 881098064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1073770560).

881098064 is an abundant number, since it is smaller than the sum of its proper divisors (1266443056).

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

881098064 is a wasteful number, since it uses less digits than its factorization.

881098064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6468 (or 6462 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 44.

The square root of 881098064 is about 29683.2960433979. The cubic root of 881098064 is about 958.6823879903.

881098064 divided by its sum of digits (44) gives a triangular number (20024956 = T₆₃₂₈).

The spelling of 881098064 in words is "eight hundred eighty-one million, ninety-eight thousand, sixty-four".