8253561783 has 4 divisors (see below), whose sum is σ = 11004749048. Its totient is φ = 5502374520.

The previous prime is 8253561731. The next prime is 8253561787. The reversal of 8253561783 is 3871653528.

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

It is not a de Polignac number, because 8253561783 - 2¹³ = 8253553591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8253561787) 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, 1375593628 + ... + 1375593633.

It is an arithmetic number, because the mean of its divisors is an integer number (2751187262).

Almost surely, 2^8253561783 is an apocalyptic number.

8253561783 is a deficient number, since it is larger than the sum of its proper divisors (2751187265).

8253561783 is a wasteful number, since it uses less digits than its factorization.

8253561783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2751187264.

The product of its digits is 1209600, while the sum is 48.

The square root of 8253561783 is about 90849.1154772571. The cubic root of 8253561783 is about 2020.9107567566.

The spelling of 8253561783 in words is "eight billion, two hundred fifty-three million, five hundred sixty-one thousand, seven hundred eighty-three".