1080616077 has 12 divisors (see below), whose sum is σ = 1561180764. Its totient is φ = 720276480.

The previous prime is 1080616027. The next prime is 1080616079. The reversal of 1080616077 is 7706160801.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 208831401 + 871784676 = 14451^2 + 29526^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1080616077 is a prime.

It is a super-2 number, since 2×1080616077² = 2335462211741739858, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1080616079) 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, 73677 + ... + 87117.

It is an arithmetic number, because the mean of its divisors is an integer number (130098397).

Almost surely, 2^1080616077 is an apocalyptic number.

It is an amenable number.

1080616077 is a deficient number, since it is larger than the sum of its proper divisors (480564687).

1080616077 is a wasteful number, since it uses less digits than its factorization.

1080616077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22380 (or 22377 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 36.

The square root of 1080616077 is about 32872.7254270162. The cubic root of 1080616077 is about 1026.1806192281.

Adding to 1080616077 its reverse (7706160801), we get a palindrome (8786776878).

The spelling of 1080616077 in words is "one billion, eighty million, six hundred sixteen thousand, seventy-seven".