2782430802 has 18 divisors (see below), whose sum is σ = 6029084997. Its totient is φ = 927402336.

The previous prime is 2782430801. The next prime is 2782430831. The reversal of 2782430802 is 2080342872.

It can be written as a sum of positive squares in 2 ways, for example, as 2329124121 + 453306681 = 48261^2 + 21291^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=37299.

It is not an unprimeable number, because it can be changed into a prime (2782430801) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 217578 + ... + 230010.

Almost surely, 2^2782430802 is an apocalyptic number.

2782430802 is an abundant number, since it is smaller than the sum of its proper divisors (3246654195).

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

2782430802 is an frugal number, since it uses more digits than its factorization.

2782430802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24874 (or 12438 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 2782430802 is about 52748.7516629541. The cubic root of 2782430802 is about 1406.5055735075.

The spelling of 2782430802 in words is "two billion, seven hundred eighty-two million, four hundred thirty thousand, eight hundred two".