8278153243684 has 27 divisors (see below), whose sum is σ = 14511269856531. Its totient is φ = 4132087956480.

The previous prime is 8278153243637. The next prime is 8278153243709. The reversal of 8278153243684 is 4863423518728.

The square root of 8278153243684 is 2877178.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 2560889677284 + 5717263566400 = 1600278^2 + 2391080^2 .

It is a super-2 number, since 2×8278153243684² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 5875196772 + ... + 5875198180.

Almost surely, 2^{8278153243684} is an apocalyptic number.

8278153243684 is the 2877178-th square number.

It is an amenable number.

8278153243684 is a deficient number, since it is larger than the sum of its proper divisors (6233116612847).

8278153243684 is an frugal number, since it uses more digits than its factorization.

8278153243684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4864 (or 2432 counting only the distinct ones).

The product of its digits is 61931520, while the sum is 61.

The spelling of 8278153243684 in words is "eight trillion, two hundred seventy-eight billion, one hundred fifty-three million, two hundred forty-three thousand, six hundred eighty-four".