870066457459 has 4 divisors (see below), whose sum is σ = 870195153240. Its totient is φ = 869937761680.

The previous prime is 870066457373. The next prime is 870066457487. The reversal of 870066457459 is 954754660078.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-870066457459 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 870066457397 and 870066457406.

It is not an unprimeable number, because it can be changed into a prime (870066457259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64337749 + ... + 64351270.

It is an arithmetic number, because the mean of its divisors is an integer number (217548788310).

Almost surely, 2^870066457459 is an apocalyptic number.

870066457459 is a deficient number, since it is larger than the sum of its proper divisors (128695781).

870066457459 is a wasteful number, since it uses less digits than its factorization.

870066457459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128695780.

The product of its (nonzero) digits is 50803200, while the sum is 61.

The spelling of 870066457459 in words is "eight hundred seventy billion, sixty-six million, four hundred fifty-seven thousand, four hundred fifty-nine".