1084637881879 has 4 divisors (see below), whose sum is σ = 1086537423400. Its totient is φ = 1082738340360.

The previous prime is 1084637881819. The next prime is 1084637881889. The reversal of 1084637881879 is 9781887364801.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1084637881879 - 2⁷ = 1084637881751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1084637881819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 949769904 + ... + 949771045.

It is an arithmetic number, because the mean of its divisors is an integer number (271634355850).

Almost surely, 2^{1084637881879} is an apocalyptic number.

1084637881879 is a deficient number, since it is larger than the sum of its proper divisors (1899541521).

1084637881879 is an equidigital number, since it uses as much as digits as its factorization.

1084637881879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1899541520.

The product of its (nonzero) digits is 130056192, while the sum is 70.

The spelling of 1084637881879 in words is "one trillion, eighty-four billion, six hundred thirty-seven million, eight hundred eighty-one thousand, eight hundred seventy-nine".