870874242782 has 8 divisors (see below), whose sum is σ = 1308037008936. Its totient is φ = 434861906472.

The previous prime is 870874242767. The next prime is 870874242817. The reversal of 870874242782 is 287242478078.

It is a happy number.

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

It is a super-2 number, since 2×870874242782² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 287605568 + ... + 287608595.

It is an arithmetic number, because the mean of its divisors is an integer number (163504626117).

Almost surely, 2^870874242782 is an apocalyptic number.

870874242782 is a deficient number, since it is larger than the sum of its proper divisors (437162766154).

870874242782 is a wasteful number, since it uses less digits than its factorization.

870874242782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575214922.

The product of its (nonzero) digits is 22478848, while the sum is 59.

The spelling of 870874242782 in words is "eight hundred seventy billion, eight hundred seventy-four million, two hundred forty-two thousand, seven hundred eighty-two".