8157212335 has 16 divisors (see below), whose sum is σ = 10348097760. Its totient is φ = 6155758080.

The previous prime is 8157212333. The next prime is 8157212341. The reversal of 8157212335 is 5332127518.

It is not a de Polignac number, because 8157212335 - 2¹ = 8157212333 is a prime.

It is a super-2 number, since 2×8157212335² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8157212294 and 8157212303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8157212333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162126 + ... + 206395.

It is an arithmetic number, because the mean of its divisors is an integer number (646756110).

Almost surely, 2^8157212335 is an apocalyptic number.

8157212335 is a deficient number, since it is larger than the sum of its proper divisors (2190885425).

8157212335 is a wasteful number, since it uses less digits than its factorization.

8157212335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368778.

The product of its digits is 50400, while the sum is 37.

The square root of 8157212335 is about 90317.2870219207. The cubic root of 8157212335 is about 2013.0161342751.

The spelling of 8157212335 in words is "eight billion, one hundred fifty-seven million, two hundred twelve thousand, three hundred thirty-five".