5478873261 has 16 divisors (see below), whose sum is σ = 7402238784. Its totient is φ = 3604312064.

The previous prime is 5478873247. The next prime is 5478873277. The reversal of 5478873261 is 1623788745.

It is a cyclic number.

It is not a de Polignac number, because 5478873261 - 2¹³ = 5478865069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5478873221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49291 + ... + 115703.

It is an arithmetic number, because the mean of its divisors is an integer number (462639924).

Almost surely, 2^5478873261 is an apocalyptic number.

It is an amenable number.

5478873261 is a deficient number, since it is larger than the sum of its proper divisors (1923365523).

5478873261 is a wasteful number, since it uses less digits than its factorization.

5478873261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66780.

The product of its digits is 2257920, while the sum is 51.

The square root of 5478873261 is about 74019.4113797185. The cubic root of 5478873261 is about 1762.9111236897.

The spelling of 5478873261 in words is "five billion, four hundred seventy-eight million, eight hundred seventy-three thousand, two hundred sixty-one".