8427783630 has 32 divisors (see below), whose sum is σ = 23116207104. Its totient is φ = 1926350496.

The previous prime is 8427783619. The next prime is 8427783691. The reversal of 8427783630 is 363877248.

It is a self number, because there is not a number n which added to its sum of digits gives 8427783630.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20065942 + ... + 20066361.

It is an arithmetic number, because the mean of its divisors is an integer number (722381472).

Almost surely, 2^8427783630 is an apocalyptic number.

8427783630 is an abundant number, since it is smaller than the sum of its proper divisors (14688423474).

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

8427783630 is a wasteful number, since it uses less digits than its factorization.

8427783630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40132320.

The product of its (nonzero) digits is 1354752, while the sum is 48.

The square root of 8427783630 is about 91802.9608999623. The cubic root of 8427783630 is about 2035.0314519625.

The spelling of 8427783630 in words is "eight billion, four hundred twenty-seven million, seven hundred eighty-three thousand, six hundred thirty".