789720212 has 12 divisors (see below), whose sum is σ = 1395694356. Its totient is φ = 390950400.

The previous prime is 789720143. The next prime is 789720277. The reversal of 789720212 is 212027987.

It can be written as a sum of positive squares in 2 ways, for example, as 521939716 + 267780496 = 22846^2 + 16364^2 .

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 976973 + ... + 977780.

It is an arithmetic number, because the mean of its divisors is an integer number (116307863).

Almost surely, 2^789720212 is an apocalyptic number.

It is an amenable number.

789720212 is a deficient number, since it is larger than the sum of its proper divisors (605974144).

789720212 is a wasteful number, since it uses less digits than its factorization.

789720212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1954858 (or 1954856 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 38.

The square root of 789720212 is about 28101.9609991901. The cubic root of 789720212 is about 924.3244005658.

The spelling of 789720212 in words is "seven hundred eighty-nine million, seven hundred twenty thousand, two hundred twelve".