870142775042 has 4 divisors (see below), whose sum is σ = 1305214162566. Its totient is φ = 435071387520.

The previous prime is 870142775039. The next prime is 870142775069. The reversal of 870142775042 is 240577241078.

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

It can be written as a sum of positive squares in only one way, i.e., 849510612721 + 20632162321 = 921689^2 + 143639^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217535693759 + ... + 217535693762.

Almost surely, 2^870142775042 is an apocalyptic number.

870142775042 is a deficient number, since it is larger than the sum of its proper divisors (435071387524).

870142775042 is a wasteful number, since it uses less digits than its factorization.

870142775042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435071387523.

The product of its (nonzero) digits is 878080, while the sum is 47.

The spelling of 870142775042 in words is "eight hundred seventy billion, one hundred forty-two million, seven hundred seventy-five thousand, forty-two".