82154802 has 16 divisors (see below), whose sum is σ = 164459232. Its totient is φ = 27360000.

The previous prime is 82154789. The next prime is 82154819. The reversal of 82154802 is 20845128.

It is a super-2 number, since 2×82154802² = 13498822983318408, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 82154802.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1677 + ... + 12927.

It is an arithmetic number, because the mean of its divisors is an integer number (10278702).

Almost surely, 2^82154802 is an apocalyptic number.

82154802 is an abundant number, since it is smaller than the sum of its proper divisors (82304430).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82154802 is a wasteful number, since it uses less digits than its factorization.

82154802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12473.

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 82154802 is about 9063.9286184303. The cubic root of 82154802 is about 434.7213646973.

The spelling of 82154802 in words is "eighty-two million, one hundred fifty-four thousand, eight hundred two".