1080777770 has 32 divisors (see below), whose sum is σ = 2017830096. Its totient is φ = 416448000.

The previous prime is 1080777767. The next prime is 1080777773. The reversal of 1080777770 is 777770801.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1080777767) and next prime (1080777773).

It can be written as a sum of positive squares in 8 ways, for example, as 1033429609 + 47348161 = 32147^2 + 6881^2 .

It is not an unprimeable number, because it can be changed into a prime (1080777773) 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, 22910 + ... + 51830.

Almost surely, 2^1080777770 is an apocalyptic number.

1080777770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1080777770 is a deficient number, since it is larger than the sum of its proper divisors (937052326).

1080777770 is a wasteful number, since it uses less digits than its factorization.

1080777770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29066.

The product of its (nonzero) digits is 134456, while the sum is 44.

The square root of 1080777770 is about 32875.1847143100. The cubic root of 1080777770 is about 1026.2317992759.

The spelling of 1080777770 in words is "one billion, eighty million, seven hundred seventy-seven thousand, seven hundred seventy".