870005064436 has 12 divisors (see below), whose sum is σ = 1532727044100. Its totient is φ = 432083051840.

The previous prime is 870005064421. The next prime is 870005064457. The reversal of 870005064436 is 634460500078.

It can be written as a sum of positive squares in 2 ways, for example, as 285936172900 + 584068891536 = 534730^2 + 764244^2 .

It is a junction number, because it is equal to n+sod(n) for n = 870005064392 and 870005064401.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 729869425 + ... + 729870616.

It is an arithmetic number, because the mean of its divisors is an integer number (127727253675).

Almost surely, 2^870005064436 is an apocalyptic number.

It is an amenable number.

870005064436 is a deficient number, since it is larger than the sum of its proper divisors (662721979664).

870005064436 is a wasteful number, since it uses less digits than its factorization.

870005064436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1459740194 (or 1459740192 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 43.

The spelling of 870005064436 in words is "eight hundred seventy billion, five million, sixty-four thousand, four hundred thirty-six".