802881366 has 64 divisors (see below), whose sum is σ = 1971264000. Its totient is φ = 217310688.

The previous prime is 802881361. The next prime is 802881367. The reversal of 802881366 is 663188208.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (802881361) 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, 28836 + ... + 49368.

It is an arithmetic number, because the mean of its divisors is an integer number (30801000).

Almost surely, 2^802881366 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 802881366, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (985632000).

802881366 is an abundant number, since it is smaller than the sum of its proper divisors (1168382634).

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

802881366 is a wasteful number, since it uses less digits than its factorization.

802881366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20578 (or 20564 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 42.

The square root of 802881366 is about 28335.1613018172. The cubic root of 802881366 is about 929.4309410351.

The spelling of 802881366 in words is "eight hundred two million, eight hundred eighty-one thousand, three hundred sixty-six".