802720854 has 128 divisors (see below), whose sum is σ = 2049868800. Its totient is φ = 233676576.

The previous prime is 802720847. The next prime is 802720879. The reversal of 802720854 is 458027208.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1080007 + ... + 1080749.

It is an arithmetic number, because the mean of its divisors is an integer number (16014600).

Almost surely, 2^802720854 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 802720854, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1024934400).

802720854 is an abundant number, since it is smaller than the sum of its proper divisors (1247147946).

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

802720854 is a wasteful number, since it uses less digits than its factorization.

802720854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798 (or 780 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The square root of 802720854 is about 28332.3287782702. The cubic root of 802720854 is about 929.3689996457.

The spelling of 802720854 in words is "eight hundred two million, seven hundred twenty thousand, eight hundred fifty-four".