1078839081 has 84 divisors (see below), whose sum is σ = 1771604352. Its totient is φ = 655120224.

The previous prime is 1078839077. The next prime is 1078839101. The reversal of 1078839081 is 1809388701.

1078839081 is a `hidden beast` number, since 107 + 88 + 390 + 81 = 666.

It is not a de Polignac number, because 1078839081 - 2² = 1078839077 is a prime.

It is a super-2 number, since 2×1078839081² = 2327787525385849122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1078839001) 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 83 ways as a sum of consecutive naturals, for example, 22954000 + ... + 22954046.

It is an arithmetic number, because the mean of its divisors is an integer number (21090528).

Almost surely, 2^1078839081 is an apocalyptic number.

It is an amenable number.

1078839081 is a deficient number, since it is larger than the sum of its proper divisors (692765271).

1078839081 is an frugal number, since it uses more digits than its factorization.

1078839081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162 (or 110 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 45.

The square root of 1078839081 is about 32845.6858811016. The cubic root of 1078839081 is about 1025.6178170274.

It can be divided in two parts, 107883 and 9081, that added together give a square (116964 = 342²).

The spelling of 1078839081 in words is "one billion, seventy-eight million, eight hundred thirty-nine thousand, eighty-one".