82877438 has 8 divisors (see below), whose sum is σ = 142075632. Its totient is φ = 35518896.

The previous prime is 82877393. The next prime is 82877453. The reversal of 82877438 is 83477828.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×82877438³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 82877392 and 82877401.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 2959895 + ... + 2959922.

It is an arithmetic number, because the mean of its divisors is an integer number (17759454).

Almost surely, 2^82877438 is an apocalyptic number.

82877438 is a deficient number, since it is larger than the sum of its proper divisors (59198194).

82877438 is a wasteful number, since it uses less digits than its factorization.

82877438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5919826.

The product of its digits is 602112, while the sum is 47.

The square root of 82877438 is about 9103.7046305337. The cubic root of 82877438 is about 435.9922528994.

The spelling of 82877438 in words is "eighty-two million, eight hundred seventy-seven thousand, four hundred thirty-eight".