802658861264 has 160 divisors (see below), whose sum is σ = 1744358353920. Its totient is φ = 355438540800.

The previous prime is 802658861233. The next prime is 802658861267. The reversal of 802658861264 is 462168856208.

It is a super-2 number, since 2×802658861264² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (802658861267) 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, 125628182 + ... + 125634570.

It is an arithmetic number, because the mean of its divisors is an integer number (10902239712).

Almost surely, 2^802658861264 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 802658861264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (872179176960).

802658861264 is an abundant number, since it is smaller than the sum of its proper divisors (941699492656).

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

802658861264 is a wasteful number, since it uses less digits than its factorization.

802658861264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6709 (or 6703 counting only the distinct ones).

The product of its (nonzero) digits is 8847360, while the sum is 56.

The spelling of 802658861264 in words is "eight hundred two billion, six hundred fifty-eight million, eight hundred sixty-one thousand, two hundred sixty-four".