4478898357 has 6 divisors (see below), whose sum is σ = 6469519862. Its totient is φ = 2985932232.

The previous prime is 4478898349. The next prime is 4478898377. The reversal of 4478898357 is 7538988744.

4478898357 is a `hidden beast` number, since 4 + 478 + 89 + 83 + 5 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4213827396 + 265070961 = 64914^2 + 16281^2 .

It is not a de Polignac number, because 4478898357 - 2³ = 4478898349 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4478898294 and 4478898303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4478898317) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 248827678 + ... + 248827695.

Almost surely, 2^4478898357 is an apocalyptic number.

It is an amenable number.

4478898357 is a deficient number, since it is larger than the sum of its proper divisors (1990621505).

4478898357 is a wasteful number, since it uses less digits than its factorization.

4478898357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497655379 (or 497655376 counting only the distinct ones).

The product of its digits is 54190080, while the sum is 63.

The square root of 4478898357 is about 66924.5721465591. The cubic root of 4478898357 is about 1648.3789842895.

The spelling of 4478898357 in words is "four billion, four hundred seventy-eight million, eight hundred ninety-eight thousand, three hundred fifty-seven".