855696742 has 8 divisors (see below), whose sum is σ = 1283992416. Its totient is φ = 427699272.

The previous prime is 855696739. The next prime is 855696767. The reversal of 855696742 is 247696558.

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

It is a self number, because there is not a number n which added to its sum of digits gives 855696742.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67233 + ... + 78940.

It is an arithmetic number, because the mean of its divisors is an integer number (160499052).

Almost surely, 2^855696742 is an apocalyptic number.

855696742 is a deficient number, since it is larger than the sum of its proper divisors (428295674).

855696742 is a wasteful number, since it uses less digits than its factorization.

855696742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149102.

The product of its digits is 3628800, while the sum is 52.

The square root of 855696742 is about 29252.2946450360. The cubic root of 855696742 is about 949.3797399000.

The spelling of 855696742 in words is "eight hundred fifty-five million, six hundred ninety-six thousand, seven hundred forty-two".