4273485978 has 16 divisors (see below), whose sum is σ = 8547612480. Its totient is φ = 1424388576.

The previous prime is 4273485893. The next prime is 4273486001. The reversal of 4273485978 is 8795843724.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146518 + ... + 173246.

It is an arithmetic number, because the mean of its divisors is an integer number (534225780).

Almost surely, 2^4273485978 is an apocalyptic number.

4273485978 is an abundant number, since it is smaller than the sum of its proper divisors (4274126502).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4273485978 is a wasteful number, since it uses less digits than its factorization.

4273485978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53381.

The product of its digits is 13547520, while the sum is 57.

The square root of 4273485978 is about 65371.9051122116. The cubic root of 4273485978 is about 1622.7841644794.

The spelling of 4273485978 in words is "four billion, two hundred seventy-three million, four hundred eighty-five thousand, nine hundred seventy-eight".