82451802 has 16 divisors (see below), whose sum is σ = 174604032. Its totient is φ = 25867200.

The previous prime is 82451801. The next prime is 82451807. The reversal of 82451802 is 20815428.

It is a self number, because there is not a number n which added to its sum of digits gives 82451802.

It is not an unprimeable number, because it can be changed into a prime (82451801) 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, 404074 + ... + 404277.

It is an arithmetic number, because the mean of its divisors is an integer number (10912752).

Almost surely, 2^82451802 is an apocalyptic number.

82451802 is an abundant number, since it is smaller than the sum of its proper divisors (92152230).

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

82451802 is a wasteful number, since it uses less digits than its factorization.

82451802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808373.

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

The square root of 82451802 is about 9080.2974620879. The cubic root of 82451802 is about 435.2445922636.

The spelling of 82451802 in words is "eighty-two million, four hundred fifty-one thousand, eight hundred two".