802658861265 has 16 divisors (see below), whose sum is σ = 1290978026496. Its totient is φ = 425843443200.

The previous prime is 802658861233. The next prime is 802658861267. The reversal of 802658861265 is 562168856208.

It is not a de Polignac number, because 802658861265 - 2⁵ = 802658861233 is a prime.

It is a super-2 number, since 2×802658861265² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (802658861267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140077216 + ... + 140082945.

It is an arithmetic number, because the mean of its divisors is an integer number (80686126656).

Almost surely, 2^802658861265 is an apocalyptic number.

It is an amenable number.

802658861265 is a deficient number, since it is larger than the sum of its proper divisors (488319165231).

802658861265 is a wasteful number, since it uses less digits than its factorization.

802658861265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280160360.

The product of its (nonzero) digits is 11059200, while the sum is 57.

The spelling of 802658861265 in words is "eight hundred two billion, six hundred fifty-eight million, eight hundred sixty-one thousand, two hundred sixty-five".