4283890978 has 8 divisors (see below), whose sum is σ = 6426668700. Its totient is φ = 2141668080.

The previous prime is 4283890951. The next prime is 4283890987. The reversal of 4283890978 is 8790983824.

It can be written as a sum of positive squares in 2 ways, for example, as 3744583249 + 539307729 = 61193^2 + 23223^2 .

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

It is a super-2 number, since 2×4283890978² = 36703443822779592968, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118833 + ... + 150628.

Almost surely, 2^4283890978 is an apocalyptic number.

4283890978 is a deficient number, since it is larger than the sum of its proper divisors (2142777722).

4283890978 is a wasteful number, since it uses less digits than its factorization.

4283890978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277412.

The product of its (nonzero) digits is 6967296, while the sum is 58.

The square root of 4283890978 is about 65451.4398466527. The cubic root of 4283890978 is about 1624.1001380595.

The spelling of 4283890978 in words is "four billion, two hundred eighty-three million, eight hundred ninety thousand, nine hundred seventy-eight".