8253387077 has 4 divisors (see below), whose sum is σ = 8888263020. Its totient is φ = 7618511136.

The previous prime is 8253387071. The next prime is 8253387101. The reversal of 8253387077 is 7707833528.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2824497316 + 5428889761 = 53146^2 + 73681^2 .

It is a cyclic number.

It is not a de Polignac number, because 8253387077 - 2²² = 8249192773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8253387071) 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, 317437952 + ... + 317437977.

It is an arithmetic number, because the mean of its divisors is an integer number (2222065755).

Almost surely, 2^8253387077 is an apocalyptic number.

It is an amenable number.

8253387077 is a deficient number, since it is larger than the sum of its proper divisors (634875943).

8253387077 is a wasteful number, since it uses less digits than its factorization.

8253387077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634875942.

The product of its (nonzero) digits is 1975680, while the sum is 50.

The square root of 8253387077 is about 90848.1539548273. The cubic root of 8253387077 is about 2020.8964975501.

The spelling of 8253387077 in words is "eight billion, two hundred fifty-three million, three hundred eighty-seven thousand, seventy-seven".