8077550057 has 4 divisors (see below), whose sum is σ = 8080576896. Its totient is φ = 8074523220.

The previous prime is 8077550053. The next prime is 8077550071. The reversal of 8077550057 is 7500557708.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8077550057 - 2² = 8077550053 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8077550053) 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, 1509413 + ... + 1514754.

It is an arithmetic number, because the mean of its divisors is an integer number (2020144224).

Almost surely, 2^8077550057 is an apocalyptic number.

It is an amenable number.

8077550057 is a deficient number, since it is larger than the sum of its proper divisors (3026839).

8077550057 is a wasteful number, since it uses less digits than its factorization.

8077550057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3026838.

The product of its (nonzero) digits is 343000, while the sum is 44.

The square root of 8077550057 is about 89875.1915547333. The cubic root of 8077550057 is about 2006.4417345028.

The spelling of 8077550057 in words is "eight billion, seventy-seven million, five hundred fifty thousand, fifty-seven".