5405578267 has 8 divisors (see below), whose sum is σ = 5527112976. Its totient is φ = 5285386752.

The previous prime is 5405578253. The next prime is 5405578303. The reversal of 5405578267 is 7628755045.

It is a happy number.

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-5405578267 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5405578267.

It is not an unprimeable number, because it can be changed into a prime (5405578237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 327658 + ... + 343759.

It is an arithmetic number, because the mean of its divisors is an integer number (690889122).

Almost surely, 2^5405578267 is an apocalyptic number.

5405578267 is a deficient number, since it is larger than the sum of its proper divisors (121534709).

5405578267 is an equidigital number, since it uses as much as digits as its factorization.

5405578267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671597.

The product of its (nonzero) digits is 2352000, while the sum is 49.

The square root of 5405578267 is about 73522.6377859228. The cubic root of 5405578267 is about 1755.0145443502.

The spelling of 5405578267 in words is "five billion, four hundred five million, five hundred seventy-eight thousand, two hundred sixty-seven".