82469387 has 16 divisors (see below), whose sum is σ = 110729472. Its totient is φ = 59317920.

The previous prime is 82469369. The next prime is 82469389. The reversal of 82469387 is 78396428.

It is a cyclic number.

It is not a de Polignac number, because 82469387 - 2⁸ = 82469131 is a prime.

It is a super-3 number, since 3×82469387³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (82469389) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40193 + ... + 42194.

It is an arithmetic number, because the mean of its divisors is an integer number (6920592).

Almost surely, 2^82469387 is an apocalyptic number.

82469387 is a deficient number, since it is larger than the sum of its proper divisors (28260085).

82469387 is a wasteful number, since it uses less digits than its factorization.

82469387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82418.

The product of its digits is 580608, while the sum is 47.

The square root of 82469387 is about 9081.2657157469. The cubic root of 82469387 is about 435.2755324894.

The spelling of 82469387 in words is "eighty-two million, four hundred sixty-nine thousand, three hundred eighty-seven".