77108845 has 8 divisors (see below), whose sum is σ = 100942560. Its totient is φ = 56079120.

The previous prime is 77108833. The next prime is 77108849. The reversal of 77108845 is 54880177.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 77108845 - 2¹¹ = 77106797 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 77108798 and 77108807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77108849) 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 7 ways as a sum of consecutive naturals, for example, 700935 + ... + 701044.

It is an arithmetic number, because the mean of its divisors is an integer number (12617820).

Almost surely, 2^77108845 is an apocalyptic number.

It is an amenable number.

77108845 is a deficient number, since it is larger than the sum of its proper divisors (23833715).

77108845 is a wasteful number, since it uses less digits than its factorization.

77108845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1401995.

The product of its (nonzero) digits is 62720, while the sum is 40.

The square root of 77108845 is about 8781.1642166628. The cubic root of 77108845 is about 425.6324516784.

The spelling of 77108845 in words is "seventy-seven million, one hundred eight thousand, eight hundred forty-five".