1055577737727 has 24 divisors (see below), whose sum is σ = 1610184610944. Its totient is φ = 665012120784.

The previous prime is 1055577737707. The next prime is 1055577737729. The reversal of 1055577737727 is 7277377755501.

It is a happy number.

1055577737727 is a `hidden beast` number, since 1 + 0 + 5 + 5 + 577 + 7 + 37 + 7 + 27 = 666.

It is not a de Polignac number, because 1055577737727 - 2⁶ = 1055577737663 is a prime.

It is a super-2 number, since 2×1055577737727² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055577737729) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30702153 + ... + 30736514.

It is an arithmetic number, because the mean of its divisors is an integer number (67091025456).

Almost surely, 2^{1055577737727} is an apocalyptic number.

1055577737727 is a deficient number, since it is larger than the sum of its proper divisors (554606873217).

1055577737727 is a wasteful number, since it uses less digits than its factorization.

1055577737727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61438779 (or 61438776 counting only the distinct ones).

The product of its (nonzero) digits is 88236750, while the sum is 63.

The spelling of 1055577737727 in words is "one trillion, fifty-five billion, five hundred seventy-seven million, seven hundred thirty-seven thousand, seven hundred twenty-seven".