82887406 has 8 divisors (see below), whose sum is σ = 142092720. Its totient is φ = 35523168.

The previous prime is 82887403. The next prime is 82887407. The reversal of 82887406 is 60478828.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82887401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2960251 + ... + 2960278.

It is an arithmetic number, because the mean of its divisors is an integer number (17761590).

Almost surely, 2^82887406 is an apocalyptic number.

82887406 is a deficient number, since it is larger than the sum of its proper divisors (59205314).

82887406 is a wasteful number, since it uses less digits than its factorization.

82887406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5920538.

The product of its (nonzero) digits is 172032, while the sum is 43.

The square root of 82887406 is about 9104.2520835047. The cubic root of 82887406 is about 436.0097317077.

The spelling of 82887406 in words is "eighty-two million, eight hundred eighty-seven thousand, four hundred six".