4426707978 has 48 divisors (see below), whose sum is σ = 11957864256. Its totient is φ = 1149793920.

The previous prime is 4426707959. The next prime is 4426708061. The reversal of 4426707978 is 8797076244.

4426707978 is a `hidden beast` number, since 442 + 67 + 0 + 79 + 78 = 666.

It is a Curzon 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, 1595551 + ... + 1598322.

It is an arithmetic number, because the mean of its divisors is an integer number (249122172).

Almost surely, 2^4426707978 is an apocalyptic number.

4426707978 is an abundant number, since it is smaller than the sum of its proper divisors (7531156278).

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

4426707978 is a wasteful number, since it uses less digits than its factorization.

4426707978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3193899 (or 3193896 counting only the distinct ones).

The product of its (nonzero) digits is 4741632, while the sum is 54.

The square root of 4426707978 is about 66533.5101884757. The cubic root of 4426707978 is about 1641.9513726850.

The spelling of 4426707978 in words is "four billion, four hundred twenty-six million, seven hundred seven thousand, nine hundred seventy-eight".