870505201 has 8 divisors (see below), whose sum is σ = 895678784. Its totient is φ = 845555760.

The previous prime is 870505171. The next prime is 870505211. The reversal of 870505201 is 102505078.

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 870505201 - 2⁷ = 870505073 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 870505201.

It is not an unprimeable number, because it can be changed into a prime (870505211) 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, 48141 + ... + 63706.

It is an arithmetic number, because the mean of its divisors is an integer number (111959848).

Almost surely, 2^870505201 is an apocalyptic number.

It is an amenable number.

870505201 is a deficient number, since it is larger than the sum of its proper divisors (25173583).

870505201 is a wasteful number, since it uses less digits than its factorization.

870505201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112071.

The product of its (nonzero) digits is 2800, while the sum is 28.

The square root of 870505201 is about 29504.3251236154. The cubic root of 870505201 is about 954.8250187892.

The spelling of 870505201 in words is "eight hundred seventy million, five hundred five thousand, two hundred one".