853727157 has 6 divisors (see below), whose sum is σ = 1233161462. Its totient is φ = 569151432.

The previous prime is 853727153. The next prime is 853727177. The reversal of 853727157 is 751727358.

It can be written as a sum of positive squares in only one way, i.e., 853457796 + 269361 = 29214^2 + 519^2 .

It is not a de Polignac number, because 853727157 - 2² = 853727153 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (853727153) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 47429278 + ... + 47429295.

Almost surely, 2^853727157 is an apocalyptic number.

It is an amenable number.

853727157 is a deficient number, since it is larger than the sum of its proper divisors (379434305).

853727157 is a wasteful number, since it uses less digits than its factorization.

853727157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94858579 (or 94858576 counting only the distinct ones).

The product of its digits is 411600, while the sum is 45.

The square root of 853727157 is about 29218.6097718560. The cubic root of 853727157 is about 948.6507742520.

It can be divided in two parts, 85372 and 7157, that added together give a palindrome (92529).

The spelling of 853727157 in words is "eight hundred fifty-three million, seven hundred twenty-seven thousand, one hundred fifty-seven".