802864556 has 48 divisors (see below), whose sum is σ = 1533292320. Its totient is φ = 365644800.

The previous prime is 802864529. The next prime is 802864577. The reversal of 802864556 is 655468208.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2001956 + ... + 2002356.

It is an arithmetic number, because the mean of its divisors is an integer number (31943590).

Almost surely, 2^802864556 is an apocalyptic number.

It is an amenable number.

802864556 is a deficient number, since it is larger than the sum of its proper divisors (730427764).

802864556 is a wasteful number, since it uses less digits than its factorization.

802864556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834 (or 832 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 44.

The square root of 802864556 is about 28334.8646723432. The cubic root of 802864556 is about 929.4244544632.

It can be divided in two parts, 802864 and 556, that multiplied together give a square (446392384 = 21128²).

The spelling of 802864556 in words is "eight hundred two million, eight hundred sixty-four thousand, five hundred fifty-six".