1082900407778 has 30 divisors (see below), whose sum is σ = 1895089154721. Its totient is φ = 464069269776.

The previous prime is 1082900407763. The next prime is 1082900407783. The reversal of 1082900407778 is 8777040092801.

It can be written as a sum of positive squares in 2 ways, for example, as 1054106729809 + 28793677969 = 1026697^2 + 169687^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=735833.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 72104126 + ... + 72119142.

Almost surely, 2^{1082900407778} is an apocalyptic number.

1082900407778 is a deficient number, since it is larger than the sum of its proper divisors (812188746943).

1082900407778 is an frugal number, since it uses more digits than its factorization.

1082900407778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30064 (or 15026 counting only the distinct ones).

The product of its (nonzero) digits is 1580544, while the sum is 53.

The spelling of 1082900407778 in words is "one trillion, eighty-two billion, nine hundred million, four hundred seven thousand, seven hundred seventy-eight".