5781277648 has 20 divisors (see below), whose sum is σ = 11203792708. Its totient is φ = 2889976320.

The previous prime is 5781277633. The next prime is 5781277651. The reversal of 5781277648 is 8467721875.

It can be written as a sum of positive squares in 2 ways, for example, as 781090704 + 5000186944 = 27948^2 + 70712^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34840 + ... + 113032.

Almost surely, 2^5781277648 is an apocalyptic number.

It is an amenable number.

5781277648 is a deficient number, since it is larger than the sum of its proper divisors (5422515060).

5781277648 is a wasteful number, since it uses less digits than its factorization.

5781277648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82822 (or 82816 counting only the distinct ones).

The product of its digits is 5268480, while the sum is 55.

The square root of 5781277648 is about 76034.7134406384. The cubic root of 5781277648 is about 1794.7664490791.

It can be divided in two parts, 57812 and 77648, that added together give a triangular number (135460 = T₅₂₀).

The spelling of 5781277648 in words is "five billion, seven hundred eighty-one million, two hundred seventy-seven thousand, six hundred forty-eight".