1055164777 has 8 divisors (see below), whose sum is σ = 1058710280. Its totient is φ = 1051626240.

The previous prime is 1055164751. The next prime is 1055164811. The reversal of 1055164777 is 7774615501.

It can be written as a sum of positive squares in 4 ways, for example, as 113656921 + 941507856 = 10661^2 + 30684^2 .

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 1055164777 - 2¹⁵ = 1055132009 is a prime.

It is a super-2 number, since 2×1055164777² = 2226745413242919458, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1055164717) 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, 544903 + ... + 546835.

It is an arithmetic number, because the mean of its divisors is an integer number (132338785).

Almost surely, 2^1055164777 is an apocalyptic number.

It is an amenable number.

1055164777 is a deficient number, since it is larger than the sum of its proper divisors (3545503).

1055164777 is a wasteful number, since it uses less digits than its factorization.

1055164777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3483.

The product of its (nonzero) digits is 205800, while the sum is 43.

The square root of 1055164777 is about 32483.2999709081. The cubic root of 1055164777 is about 1018.0601272571.

The spelling of 1055164777 in words is "one billion, fifty-five million, one hundred sixty-four thousand, seven hundred seventy-seven".