8278050533 has 4 divisors (see below), whose sum is σ = 8764994700. Its totient is φ = 7791106368.

The previous prime is 8278050503. The next prime is 8278050563. The reversal of 8278050533 is 3350508728.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (8278050503) and next prime (8278050563).

It can be written as a sum of positive squares in 2 ways, for example, as 2216338084 + 6061712449 = 47078^2 + 77857^2 .

It is a cyclic number.

It is not a de Polignac number, because 8278050533 - 2¹⁰ = 8278049509 is a prime.

It is a super-2 number, since 2×8278050533² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8278050503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 243472058 + ... + 243472091.

It is an arithmetic number, because the mean of its divisors is an integer number (2191248675).

Almost surely, 2^8278050533 is an apocalyptic number.

It is an amenable number.

8278050533 is a deficient number, since it is larger than the sum of its proper divisors (486944167).

8278050533 is a wasteful number, since it uses less digits than its factorization.

8278050533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486944166.

The product of its (nonzero) digits is 201600, while the sum is 41.

The square root of 8278050533 is about 90983.7926940837. The cubic root of 8278050533 is about 2022.9074992563.

The spelling of 8278050533 in words is "eight billion, two hundred seventy-eight million, fifty thousand, five hundred thirty-three".