427748816994 has 16 divisors (see below), whose sum is σ = 859266348768. Its totient is φ = 141954819872.

The previous prime is 427748816983. The next prime is 427748817017. The reversal of 427748816994 is 499618847724.

427748816994 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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, 157028307 + ... + 157031030.

It is an arithmetic number, because the mean of its divisors is an integer number (53704146798).

Almost surely, 2^427748816994 is an apocalyptic number.

427748816994 is an abundant number, since it is smaller than the sum of its proper divisors (431517531774).

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

427748816994 is a wasteful number, since it uses less digits than its factorization.

427748816994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314059569.

The product of its digits is 195084288, while the sum is 69.

The spelling of 427748816994 in words is "four hundred twenty-seven billion, seven hundred forty-eight million, eight hundred sixteen thousand, nine hundred ninety-four".