5177780488 has 8 divisors (see below), whose sum is σ = 9708338430. Its totient is φ = 2588890240.

The previous prime is 5177780483. The next prime is 5177780537. The reversal of 5177780488 is 8840877715.

It can be written as a sum of positive squares in only one way, i.e., 4564623844 + 613156644 = 67562^2 + 24762^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (5177780483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 323611273 + ... + 323611288.

Almost surely, 2^5177780488 is an apocalyptic number.

It is an amenable number.

5177780488 is a deficient number, since it is larger than the sum of its proper divisors (4530557942).

5177780488 is a wasteful number, since it uses less digits than its factorization.

5177780488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647222567 (or 647222563 counting only the distinct ones).

The product of its (nonzero) digits is 3512320, while the sum is 55.

The square root of 5177780488 is about 71956.7959820336. The cubic root of 5177780488 is about 1730.0070709279.

The spelling of 5177780488 in words is "five billion, one hundred seventy-seven million, seven hundred eighty thousand, four hundred eighty-eight".