5278920731 has 8 divisors (see below), whose sum is σ = 6051281664. Its totient is φ = 4511117160.

The previous prime is 5278920709. The next prime is 5278920737. The reversal of 5278920731 is 1370298725.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5278920731 is a prime.

It is a super-2 number, since 2×5278920731² = 55734008168363148722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5278920737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1136855 + ... + 1141488.

It is an arithmetic number, because the mean of its divisors is an integer number (756410208).

Almost surely, 2^5278920731 is an apocalyptic number.

5278920731 is a deficient number, since it is larger than the sum of its proper divisors (772360933).

5278920731 is a wasteful number, since it uses less digits than its factorization.

5278920731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2278681.

The product of its (nonzero) digits is 211680, while the sum is 44.

The square root of 5278920731 is about 72656.1816434087. The cubic root of 5278920731 is about 1741.1988843140.

The spelling of 5278920731 in words is "five billion, two hundred seventy-eight million, nine hundred twenty thousand, seven hundred thirty-one".