77018382 has 24 divisors (see below), whose sum is σ = 190712496. Its totient is φ = 22005216.

The previous prime is 77018363. The next prime is 77018393. The reversal of 77018382 is 28381077.

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 11 ways as a sum of consecutive naturals, for example, 305503 + ... + 305754.

It is an arithmetic number, because the mean of its divisors is an integer number (7946354).

Almost surely, 2^77018382 is an apocalyptic number.

77018382 is an abundant number, since it is smaller than the sum of its proper divisors (113694114).

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

77018382 is a wasteful number, since it uses less digits than its factorization.

77018382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611272 (or 611269 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 36.

The square root of 77018382 is about 8776.0117365464. The cubic root of 77018382 is about 425.4659378985.

The spelling of 77018382 in words is "seventy-seven million, eighteen thousand, three hundred eighty-two".