82678451 has 8 divisors (see below), whose sum is σ = 83697600. Its totient is φ = 81665640.

The previous prime is 82678441. The next prime is 82678459. The reversal of 82678451 is 15487628.

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

It is a cyclic number.

It is not a de Polignac number, because 82678451 - 2¹⁴ = 82662067 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 82678399 and 82678408.

It is not an unprimeable number, because it can be changed into a prime (82678459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27920 + ... + 30738.

It is an arithmetic number, because the mean of its divisors is an integer number (10462200).

Almost surely, 2^82678451 is an apocalyptic number.

82678451 is a deficient number, since it is larger than the sum of its proper divisors (1019149).

82678451 is a wasteful number, since it uses less digits than its factorization.

82678451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3169.

The product of its digits is 107520, while the sum is 41.

The square root of 82678451 is about 9092.7691601624. The cubic root of 82678451 is about 435.6430371617.

The spelling of 82678451 in words is "eighty-two million, six hundred seventy-eight thousand, four hundred fifty-one".