870458528 has 12 divisors (see below), whose sum is σ = 1713715290. Its totient is φ = 435229248.

The previous prime is 870458527. The next prime is 870458539. The reversal of 870458528 is 825854078.

It can be written as a sum of positive squares in only one way, i.e., 810427024 + 60031504 = 28468^2 + 7748^2 .

It is not an unprimeable number, because it can be changed into a prime (870458521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13600883 + ... + 13600946.

Almost surely, 2^870458528 is an apocalyptic number.

It is an amenable number.

870458528 is a deficient number, since it is larger than the sum of its proper divisors (843256762).

870458528 is a wasteful number, since it uses less digits than its factorization.

870458528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27201839 (or 27201831 counting only the distinct ones).

The product of its (nonzero) digits is 716800, while the sum is 47.

The square root of 870458528 is about 29503.5341611814. The cubic root of 870458528 is about 954.8079538540.

The spelling of 870458528 in words is "eight hundred seventy million, four hundred fifty-eight thousand, five hundred twenty-eight".