77860382 has 16 divisors (see below), whose sum is σ = 122656032. Its totient is φ = 36996960.

The previous prime is 77860381. The next prime is 77860399. The reversal of 77860382 is 28306877.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77860381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1832 + ... + 12612.

It is an arithmetic number, because the mean of its divisors is an integer number (7666002).

Almost surely, 2^77860382 is an apocalyptic number.

77860382 is a deficient number, since it is larger than the sum of its proper divisors (44795650).

77860382 is a wasteful number, since it uses less digits than its factorization.

77860382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10963.

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 77860382 is about 8823.8530132817. The cubic root of 77860382 is about 427.0107842618.

The spelling of 77860382 in words is "seventy-seven million, eight hundred sixty thousand, three hundred eighty-two".