1077806117 has 4 divisors (see below), whose sum is σ = 1077922560. Its totient is φ = 1077689676.

The previous prime is 1077806071. The next prime is 1077806123. The reversal of 1077806117 is 7116087701.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7116087701 = 743 ⋅9577507.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1077806117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1077806167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43013 + ... + 63290.

It is an arithmetic number, because the mean of its divisors is an integer number (269480640).

Almost surely, 2^1077806117 is an apocalyptic number.

It is an amenable number.

1077806117 is a deficient number, since it is larger than the sum of its proper divisors (116443).

1077806117 is a wasteful number, since it uses less digits than its factorization.

1077806117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116442.

The product of its (nonzero) digits is 16464, while the sum is 38.

The square root of 1077806117 is about 32829.9576149589. The cubic root of 1077806117 is about 1025.2903772183.

The spelling of 1077806117 in words is "one billion, seventy-seven million, eight hundred six thousand, one hundred seventeen".