5280277778 has 8 divisors (see below), whose sum is σ = 7998836940. Its totient is φ = 2613998800.

The previous prime is 5280277763. The next prime is 5280277787. The reversal of 5280277778 is 8777720825.

It can be written as a sum of positive squares in 2 ways, for example, as 3330790369 + 1949487409 = 57713^2 + 44153^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 13069793 + ... + 13070196.

Almost surely, 2^5280277778 is an apocalyptic number.

5280277778 is a deficient number, since it is larger than the sum of its proper divisors (2718559162).

5280277778 is a wasteful number, since it uses less digits than its factorization.

5280277778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26140092.

The product of its (nonzero) digits is 3073280, while the sum is 53.

The square root of 5280277778 is about 72665.5198701557. The cubic root of 5280277778 is about 1741.3480742967.

The spelling of 5280277778 in words is "five billion, two hundred eighty million, two hundred seventy-seven thousand, seven hundred seventy-eight".