82377690 has 32 divisors (see below), whose sum is σ = 204526080. Its totient is φ = 21209664.

The previous prime is 82377683. The next prime is 82377703. The reversal of 82377690 is 9677328.

It is a super-2 number, since 2×82377690² = 13572167619472200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46474 + ... + 48213.

It is an arithmetic number, because the mean of its divisors is an integer number (6391440).

Almost surely, 2^82377690 is an apocalyptic number.

82377690 is an abundant number, since it is smaller than the sum of its proper divisors (122148390).

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

82377690 is a wasteful number, since it uses less digits than its factorization.

82377690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94726.

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 82377690 is about 9076.2156210615. The cubic root of 82377690 is about 435.1141462900.

The spelling of 82377690 in words is "eighty-two million, three hundred seventy-seven thousand, six hundred ninety".