5428778425 has 24 divisors (see below), whose sum is σ = 7744341632. Its totient is φ = 3697920000.

The previous prime is 5428778347. The next prime is 5428778437. The reversal of 5428778425 is 5248778245.

It is not a de Polignac number, because 5428778425 - 2¹³ = 5428770233 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76296 + ... + 129145.

Almost surely, 2^5428778425 is an apocalyptic number.

It is an amenable number.

5428778425 is a deficient number, since it is larger than the sum of its proper divisors (2315563207).

5428778425 is a wasteful number, since it uses less digits than its factorization.

5428778425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205609 (or 205604 counting only the distinct ones).

The product of its digits is 5017600, while the sum is 52.

The square root of 5428778425 is about 73680.2444689212. The cubic root of 5428778425 is about 1757.5217385096.

The spelling of 5428778425 in words is "five billion, four hundred twenty-eight million, seven hundred seventy-eight thousand, four hundred twenty-five".