77882382 has 24 divisors (see below), whose sum is σ = 170038440. Its totient is φ = 25761840.

The previous prime is 77882359. The next prime is 77882383. The reversal of 77882382 is 28328877.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77882383) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14157 + ... + 18872.

It is an arithmetic number, because the mean of its divisors is an integer number (7084935).

Almost surely, 2^77882382 is an apocalyptic number.

77882382 is an abundant number, since it is smaller than the sum of its proper divisors (92156058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

77882382 is a wasteful number, since it uses less digits than its factorization.

77882382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33168 (or 33165 counting only the distinct ones).

The product of its digits is 301056, while the sum is 45.

The square root of 77882382 is about 8825.0995461808. The cubic root of 77882382 is about 427.0509987772.

The spelling of 77882382 in words is "seventy-seven million, eight hundred eighty-two thousand, three hundred eighty-two".