1085497788 has 24 divisors (see below), whose sum is σ = 2642951808. Its totient is φ = 346100656.

The previous prime is 1085497783. The next prime is 1085497789. The reversal of 1085497788 is 8877945801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1085497783) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1966206 + ... + 1966757.

It is an arithmetic number, because the mean of its divisors is an integer number (110122992).

Almost surely, 2^1085497788 is an apocalyptic number.

It is an amenable number.

1085497788 is an abundant number, since it is smaller than the sum of its proper divisors (1557454020).

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

1085497788 is a wasteful number, since it uses less digits than its factorization.

1085497788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3932993 (or 3932991 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 57.

The square root of 1085497788 is about 32946.8934499142. The cubic root of 1085497788 is about 1027.7235639296.

The spelling of 1085497788 in words is "one billion, eighty-five million, four hundred ninety-seven thousand, seven hundred eighty-eight".