1085017379 has 4 divisors (see below), whose sum is σ = 1087723560. Its totient is φ = 1082311200.

The previous prime is 1085017357. The next prime is 1085017393. The reversal of 1085017379 is 9737105801.

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 1085017379 - 2⁸ = 1085017123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1085011379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1352489 + ... + 1353290.

It is an arithmetic number, because the mean of its divisors is an integer number (271930890).

Almost surely, 2^1085017379 is an apocalyptic number.

1085017379 is a deficient number, since it is larger than the sum of its proper divisors (2706181).

1085017379 is an equidigital number, since it uses as much as digits as its factorization.

1085017379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2706180.

The product of its (nonzero) digits is 52920, while the sum is 41.

The square root of 1085017379 is about 32939.6019860593. The cubic root of 1085017379 is about 1027.5719282747.

The spelling of 1085017379 in words is "one billion, eighty-five million, seventeen thousand, three hundred seventy-nine".