5445781677 has 24 divisors (see below), whose sum is σ = 9113018304. Its totient is φ = 3069244224.

The previous prime is 5445781673. The next prime is 5445781681. The reversal of 5445781677 is 7761875445.

5445781677 is a `hidden beast` number, since 5 + 4 + 4 + 578 + 1 + 67 + 7 = 666.

It is an interprime number because it is at equal distance from previous prime (5445781673) and next prime (5445781681).

It is not a de Polignac number, because 5445781677 - 2² = 5445781673 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5445781673) 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, 587463 + ... + 596660.

It is an arithmetic number, because the mean of its divisors is an integer number (379709096).

Almost surely, 2^5445781677 is an apocalyptic number.

It is an amenable number.

5445781677 is a deficient number, since it is larger than the sum of its proper divisors (3667236627).

5445781677 is a wasteful number, since it uses less digits than its factorization.

5445781677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1184209 (or 1184206 counting only the distinct ones).

The product of its digits is 6585600, while the sum is 54.

The square root of 5445781677 is about 73795.5396822870. The cubic root of 5445781677 is about 1759.3547131868.

The spelling of 5445781677 in words is "five billion, four hundred forty-five million, seven hundred eighty-one thousand, six hundred seventy-seven".