1078580636 has 48 divisors (see below), whose sum is σ = 2238511296. Its totient is φ = 445077504.

The previous prime is 1078580627. The next prime is 1078580639. The reversal of 1078580636 is 6360858701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1078580639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95126 + ... + 105858.

It is an arithmetic number, because the mean of its divisors is an integer number (46635652).

Almost surely, 2^1078580636 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1078580636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1119255648).

1078580636 is an abundant number, since it is smaller than the sum of its proper divisors (1159930660).

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

1078580636 is a wasteful number, since it uses less digits than its factorization.

1078580636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10878 (or 10876 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 1078580636 is about 32841.7514149291. The cubic root of 1078580636 is about 1025.5359120209.

The spelling of 1078580636 in words is "one billion, seventy-eight million, five hundred eighty thousand, six hundred thirty-six".