870045020405 has 8 divisors (see below), whose sum is σ = 1138968026784. Its totient is φ = 632760014800.

The previous prime is 870045020389. The next prime is 870045020417. The reversal of 870045020405 is 504020540078.

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

It is not a de Polignac number, because 870045020405 - 2⁴ = 870045020389 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7909500131 + ... + 7909500240.

It is an arithmetic number, because the mean of its divisors is an integer number (142371003348).

Almost surely, 2^870045020405 is an apocalyptic number.

It is an amenable number.

870045020405 is a deficient number, since it is larger than the sum of its proper divisors (268923006379).

870045020405 is a wasteful number, since it uses less digits than its factorization.

870045020405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15819000387.

The product of its (nonzero) digits is 44800, while the sum is 35.

The spelling of 870045020405 in words is "eight hundred seventy billion, forty-five million, twenty thousand, four hundred five".