788642086 has 16 divisors (see below), whose sum is σ = 1192329936. Its totient is φ = 391206816.

The previous prime is 788642081. The next prime is 788642089. The reversal of 788642086 is 680246887.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (788642081) 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, 258160 + ... + 261196.

It is an arithmetic number, because the mean of its divisors is an integer number (74520621).

Almost surely, 2^788642086 is an apocalyptic number.

788642086 is a deficient number, since it is larger than the sum of its proper divisors (403687850).

788642086 is a wasteful number, since it uses less digits than its factorization.

788642086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4023.

The product of its (nonzero) digits is 1032192, while the sum is 49.

The square root of 788642086 is about 28082.7720497817. The cubic root of 788642086 is about 923.9035797953.

The spelling of 788642086 in words is "seven hundred eighty-eight million, six hundred forty-two thousand, eighty-six".