1085877099 has 12 divisors (see below), whose sum is σ = 1569555000. Its totient is φ = 723426144.

The previous prime is 1085877097. The next prime is 1085877109. The reversal of 1085877099 is 9907785801.

It is not a de Polignac number, because 1085877099 - 2¹ = 1085877097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1085877097) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26754 + ... + 53735.

It is an arithmetic number, because the mean of its divisors is an integer number (130796250).

Almost surely, 2^1085877099 is an apocalyptic number.

1085877099 is a deficient number, since it is larger than the sum of its proper divisors (483677901).

1085877099 is a wasteful number, since it uses less digits than its factorization.

1085877099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81994 (or 81991 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 54.

The square root of 1085877099 is about 32952.6493472073. The cubic root of 1085877099 is about 1027.8432575422.

The spelling of 1085877099 in words is "one billion, eighty-five million, eight hundred seventy-seven thousand, ninety-nine".