84266235720 has 96 divisors (see below), whose sum is σ = 273904296120. Its totient is φ = 22467793920.

The previous prime is 84266235719. The next prime is 84266235727. The reversal of 84266235720 is 2753266248.

It can be written as a sum of positive squares in 4 ways, for example, as 60018140196 + 24248095524 = 244986^2 + 155718^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (84266235727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3601660 + ... + 3624980.

Almost surely, 2^84266235720 is an apocalyptic number.

It is an amenable number.

84266235720 is an abundant number, since it is smaller than the sum of its proper divisors (189638060400).

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

84266235720 is a wasteful number, since it uses less digits than its factorization.

84266235720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33375 (or 33368 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 45.

The spelling of 84266235720 in words is "eighty-four billion, two hundred sixty-six million, two hundred thirty-five thousand, seven hundred twenty".