870249488 has 20 divisors (see below), whose sum is σ = 1690895868. Its totient is φ = 433889280.

The previous prime is 870249473. The next prime is 870249503. The reversal of 870249488 is 884942078.

It is an interprime number because it is at equal distance from previous prime (870249473) and next prime (870249503).

It can be written as a sum of positive squares in 2 ways, for example, as 474716944 + 395532544 = 21788^2 + 19888^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71393 + ... + 82688.

Almost surely, 2^870249488 is an apocalyptic number.

It is an amenable number.

870249488 is a deficient number, since it is larger than the sum of its proper divisors (820646380).

870249488 is a wasteful number, since it uses less digits than its factorization.

870249488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154442 (or 154436 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 50.

The square root of 870249488 is about 29499.9913220326. The cubic root of 870249488 is about 954.7315155831.

The spelling of 870249488 in words is "eight hundred seventy million, two hundred forty-nine thousand, four hundred eighty-eight".