802686870 has 24 divisors (see below), whose sum is σ = 2086986096. Its totient is φ = 214049808.

The previous prime is 802686839. The next prime is 802686877. The reversal of 802686870 is 78686208.

It is a super-2 number, since 2×802686870² = 1288612422540793800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (802686877) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4459282 + ... + 4459461.

It is an arithmetic number, because the mean of its divisors is an integer number (86957754).

Almost surely, 2^802686870 is an apocalyptic number.

802686870 is an abundant number, since it is smaller than the sum of its proper divisors (1284299226).

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

802686870 is a wasteful number, since it uses less digits than its factorization.

802686870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8918756 (or 8918753 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The square root of 802686870 is about 28331.7290330117. The cubic root of 802686870 is about 929.3558842015.

The spelling of 802686870 in words is "eight hundred two million, six hundred eighty-six thousand, eight hundred seventy".