82377028 has 12 divisors (see below), whose sum is σ = 144416272. Its totient is φ = 41115240.

The previous prime is 82377011. The next prime is 82377037. The reversal of 82377028 is 82077328.

It is a super-2 number, since 2×82377028² = 13571949484225568, which contains 22 as substring.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

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, 15750 + ... + 20317.

Almost surely, 2^82377028 is an apocalyptic number.

It is an amenable number.

82377028 is a deficient number, since it is larger than the sum of its proper divisors (62039244).

82377028 is a wasteful number, since it uses less digits than its factorization.

82377028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36642 (or 36640 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 37.

The square root of 82377028 is about 9076.1791520441. The cubic root of 82377028 is about 435.1129807384.

The spelling of 82377028 in words is "eighty-two million, three hundred seventy-seven thousand, twenty-eight".