1782280794 has 32 divisors (see below), whose sum is σ = 4098792960. Its totient is φ = 506097072.

The previous prime is 1782280793. The next prime is 1782280831. The reversal of 1782280794 is 4970822871.

It is a super-2 number, since 2×1782280794² = 6353049657322540872, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1782280793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123324 + ... + 137015.

It is an arithmetic number, because the mean of its divisors is an integer number (128087280).

Almost surely, 2^1782280794 is an apocalyptic number.

1782280794 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1782280794 is an abundant number, since it is smaller than the sum of its proper divisors (2316512166).

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

1782280794 is a wasteful number, since it uses less digits than its factorization.

1782280794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260514.

The product of its (nonzero) digits is 451584, while the sum is 48.

The square root of 1782280794 is about 42217.0675675135. The cubic root of 1782280794 is about 1212.4356816274.

The spelling of 1782280794 in words is "one billion, seven hundred eighty-two million, two hundred eighty thousand, seven hundred ninety-four".