8251379672 has 16 divisors (see below), whose sum is σ = 15549874560. Its totient is φ = 4104746464.

The previous prime is 8251379671. The next prime is 8251379681. The reversal of 8251379672 is 2769731528.

It is a self number, because there is not a number n which added to its sum of digits gives 8251379672.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8251379671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2616248 + ... + 2619399.

It is an arithmetic number, because the mean of its divisors is an integer number (971867160).

Almost surely, 2^8251379672 is an apocalyptic number.

It is an amenable number.

8251379672 is a deficient number, since it is larger than the sum of its proper divisors (7298494888).

8251379672 is a wasteful number, since it uses less digits than its factorization.

8251379672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5235850 (or 5235846 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 50.

The square root of 8251379672 is about 90837.1051498230. The cubic root of 8251379672 is about 2020.7326421277.

The spelling of 8251379672 in words is "eight billion, two hundred fifty-one million, three hundred seventy-nine thousand, six hundred seventy-two".