5491288767 has 8 divisors (see below), whose sum is σ = 7322989360. Its totient is φ = 3660223680.

The previous prime is 5491288739. The next prime is 5491288799. The reversal of 5491288767 is 7678821945.

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

It is not a de Polignac number, because 5491288767 - 2⁷ = 5491288639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5491288367) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138334 + ... + 173547.

It is an arithmetic number, because the mean of its divisors is an integer number (915373670).

Almost surely, 2^5491288767 is an apocalyptic number.

5491288767 is a deficient number, since it is larger than the sum of its proper divisors (1831700593).

5491288767 is a wasteful number, since it uses less digits than its factorization.

5491288767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317753.

The product of its digits is 6773760, while the sum is 57.

The square root of 5491288767 is about 74103.2304761405. The cubic root of 5491288767 is about 1764.2417453073.

The spelling of 5491288767 in words is "five billion, four hundred ninety-one million, two hundred eighty-eight thousand, seven hundred sixty-seven".