870018430 has 16 divisors (see below), whose sum is σ = 1569119040. Its totient is φ = 347321632.

The previous prime is 870018427. The next prime is 870018437. The reversal of 870018430 is 34810078.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 870018392 and 870018401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870018437) 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, 80374 + ... + 90553.

It is an arithmetic number, because the mean of its divisors is an integer number (98069940).

Almost surely, 2^870018430 is an apocalyptic number.

870018430 is a deficient number, since it is larger than the sum of its proper divisors (699100610).

870018430 is a wasteful number, since it uses less digits than its factorization.

870018430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171443.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 870018430 is about 29496.0748236100. The cubic root of 870018430 is about 954.6470118923.

The spelling of 870018430 in words is "eight hundred seventy million, eighteen thousand, four hundred thirty".