857792042702 has 8 divisors (see below), whose sum is σ = 1470500644656. Its totient is φ = 367625161152.

The previous prime is 857792042693. The next prime is 857792042771. The reversal of 857792042702 is 207240297758.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30635430083 + ... + 30635430110.

It is an arithmetic number, because the mean of its divisors is an integer number (183812580582).

Almost surely, 2^857792042702 is an apocalyptic number.

857792042702 is a deficient number, since it is larger than the sum of its proper divisors (612708601954).

857792042702 is a wasteful number, since it uses less digits than its factorization.

857792042702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61270860202.

The product of its (nonzero) digits is 3951360, while the sum is 53.

The spelling of 857792042702 in words is "eight hundred fifty-seven billion, seven hundred ninety-two million, forty-two thousand, seven hundred two".