8077443557 has 8 divisors (see below), whose sum is σ = 8260250400. Its totient is φ = 7896166864.

The previous prime is 8077443541. The next prime is 8077443587. The reversal of 8077443557 is 7553447708.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8077443557 - 2⁴ = 8077443541 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 (8077443587) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 371858 + ... + 392979.

It is an arithmetic number, because the mean of its divisors is an integer number (1032531300).

Almost surely, 2^8077443557 is an apocalyptic number.

It is an amenable number.

8077443557 is a deficient number, since it is larger than the sum of its proper divisors (182806843).

8077443557 is a wasteful number, since it uses less digits than its factorization.

8077443557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765075.

The product of its (nonzero) digits is 3292800, while the sum is 50.

The square root of 8077443557 is about 89874.5990644743. The cubic root of 8077443557 is about 2006.4329163594.

The spelling of 8077443557 in words is "eight billion, seventy-seven million, four hundred forty-three thousand, five hundred fifty-seven".