8258120272 has 40 divisors (see below), whose sum is σ = 16761427200. Its totient is φ = 3936196992.

The previous prime is 8258120251. The next prime is 8258120279. The reversal of 8258120272 is 2720218528.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8258120279) 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, 75988 + ... + 149299.

It is an arithmetic number, because the mean of its divisors is an integer number (419035680).

Almost surely, 2^8258120272 is an apocalyptic number.

It is an amenable number.

8258120272 is an abundant number, since it is smaller than the sum of its proper divisors (8503306928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8258120272 is a wasteful number, since it uses less digits than its factorization.

8258120272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225403 (or 225397 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 37.

The square root of 8258120272 is about 90874.2002550779. The cubic root of 8258120272 is about 2021.2827417741.

The spelling of 8258120272 in words is "eight billion, two hundred fifty-eight million, one hundred twenty thousand, two hundred seventy-two".