5378778653 has 8 divisors (see below), whose sum is σ = 5494294272. Its totient is φ = 5263307856.

The previous prime is 5378778607. The next prime is 5378778679. The reversal of 5378778653 is 3568778735.

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 not a de Polignac number, because 5378778653 - 2⁶ = 5378778589 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5378778592 and 5378778601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5378738653) 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, 365351 + ... + 379787.

It is an arithmetic number, because the mean of its divisors is an integer number (686786784).

Almost surely, 2^5378778653 is an apocalyptic number.

It is an amenable number.

5378778653 is a deficient number, since it is larger than the sum of its proper divisors (115515619).

5378778653 is a wasteful number, since it uses less digits than its factorization.

5378778653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22411.

The product of its digits is 29635200, while the sum is 59.

The square root of 5378778653 is about 73340.1571650893. The cubic root of 5378778653 is about 1752.1094185544.

The spelling of 5378778653 in words is "five billion, three hundred seventy-eight million, seven hundred seventy-eight thousand, six hundred fifty-three".