870159229 has 8 divisors (see below), whose sum is σ = 946246968. Its totient is φ = 796838400.

The previous prime is 870159211. The next prime is 870159233. The reversal of 870159229 is 922951078.

It can be written as a sum of positive squares in 4 ways, for example, as 399920004 + 470239225 = 19998^2 + 21685^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 870159229 - 2¹¹ = 870157181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870159209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 691072 + ... + 692329.

It is an arithmetic number, because the mean of its divisors is an integer number (118280871).

Almost surely, 2^870159229 is an apocalyptic number.

It is an amenable number.

870159229 is a deficient number, since it is larger than the sum of its proper divisors (76087739).

870159229 is a wasteful number, since it uses less digits than its factorization.

870159229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1383455.

The product of its (nonzero) digits is 90720, while the sum is 43.

The square root of 870159229 is about 29498.4614683546. The cubic root of 870159229 is about 954.6985073893.

The spelling of 870159229 in words is "eight hundred seventy million, one hundred fifty-nine thousand, two hundred twenty-nine".