853506742 has 16 divisors (see below), whose sum is σ = 1429129152. Its totient is φ = 378934920.

The previous prime is 853506737. The next prime is 853506749. The reversal of 853506742 is 247605358.

It is a junction number, because it is equal to n+sod(n) for n = 853506695 and 853506704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (853506749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 450168 + ... + 452059.

It is an arithmetic number, because the mean of its divisors is an integer number (89320572).

Almost surely, 2^853506742 is an apocalyptic number.

853506742 is a deficient number, since it is larger than the sum of its proper divisors (575622410).

853506742 is a wasteful number, since it uses less digits than its factorization.

853506742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 902283.

The product of its (nonzero) digits is 201600, while the sum is 40.

The square root of 853506742 is about 29214.8377027838. The cubic root of 853506742 is about 948.5691264421.

The spelling of 853506742 in words is "eight hundred fifty-three million, five hundred six thousand, seven hundred forty-two".