1086408239784 has 256 divisors, whose sum is σ = 3309731020800. Its totient is φ = 290628172800.

The previous prime is 1086408239773. The next prime is 1086408239797. The reversal of 1086408239784 is 4879328046801.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21074889 + ... + 21126375.

It is an arithmetic number, because the mean of its divisors is an integer number (12928636800).

Almost surely, 2^{1086408239784} is an apocalyptic number.

1086408239784 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1086408239784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1654865510400).

1086408239784 is an abundant number, since it is smaller than the sum of its proper divisors (2223322781016).

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

1086408239784 is a wasteful number, since it uses less digits than its factorization.

1086408239784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51664 (or 51660 counting only the distinct ones).

The product of its (nonzero) digits is 18579456, while the sum is 60.

The spelling of 1086408239784 in words is "one trillion, eighty-six billion, four hundred eight million, two hundred thirty-nine thousand, seven hundred eighty-four".