8077800553 has 4 divisors (see below), whose sum is σ = 8081835408. Its totient is φ = 8073765700.

The previous prime is 8077800539. The next prime is 8077800557. The reversal of 8077800553 is 3550087708.

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 8077800553 - 2²¹ = 8075703401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8077800557) 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, 2014423 + ... + 2018428.

It is an arithmetic number, because the mean of its divisors is an integer number (2020458852).

Almost surely, 2^8077800553 is an apocalyptic number.

It is an amenable number.

8077800553 is a deficient number, since it is larger than the sum of its proper divisors (4034855).

8077800553 is a wasteful number, since it uses less digits than its factorization.

8077800553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4034854.

The product of its (nonzero) digits is 235200, while the sum is 43.

The square root of 8077800553 is about 89876.5851209312. The cubic root of 8077800553 is about 2006.4624751329.

The spelling of 8077800553 in words is "eight billion, seventy-seven million, eight hundred thousand, five hundred fifty-three".