788220085 has 8 divisors (see below), whose sum is σ = 946074456. Its totient is φ = 630435840.

The previous prime is 788220071. The next prime is 788220089. The reversal of 788220085 is 580022887.

It can be written as a sum of positive squares in 4 ways, for example, as 69872881 + 718347204 = 8359^2 + 26802^2 .

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

It is not a de Polignac number, because 788220085 - 2⁵ = 788220053 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 (788220089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11605 + ... + 41365.

It is an arithmetic number, because the mean of its divisors is an integer number (118259307).

Almost surely, 2^788220085 is an apocalyptic number.

It is an amenable number.

788220085 is a deficient number, since it is larger than the sum of its proper divisors (157854371).

788220085 is a wasteful number, since it uses less digits than its factorization.

788220085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35063.

The product of its (nonzero) digits is 71680, while the sum is 40.

The square root of 788220085 is about 28075.2575233069. The cubic root of 788220085 is about 923.7387573302.

The spelling of 788220085 in words is "seven hundred eighty-eight million, two hundred twenty thousand, eighty-five".