82378671 has 8 divisors (see below), whose sum is σ = 109890480. Its totient is φ = 54892992.

The previous prime is 82378657. The next prime is 82378697. The reversal of 82378671 is 17687328.

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

It is not a de Polignac number, because 82378671 - 2⁶ = 82378607 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82378601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2685 + ... + 13113.

It is an arithmetic number, because the mean of its divisors is an integer number (13736310).

Almost surely, 2^82378671 is an apocalyptic number.

82378671 is a deficient number, since it is larger than the sum of its proper divisors (27511809).

82378671 is a wasteful number, since it uses less digits than its factorization.

82378671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13065.

The product of its digits is 112896, while the sum is 42.

The square root of 82378671 is about 9076.2696632482. The cubic root of 82378671 is about 435.1158734780.

The spelling of 82378671 in words is "eighty-two million, three hundred seventy-eight thousand, six hundred seventy-one".