84270359816 has 8 divisors (see below), whose sum is σ = 158006924670. Its totient is φ = 42135179904.

The previous prime is 84270359777. The next prime is 84270359869. The reversal of 84270359816 is 61895307248.

It can be written as a sum of positive squares in only one way, i.e., 52511555716 + 31758804100 = 229154^2 + 178210^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 5266897481 + ... + 5266897496.

It is a 2-persistent number, because it is pandigital, and so is 2⋅84270359816 = 168540719632, but 3⋅84270359816 = 252811079448 is not.

Almost surely, 2^84270359816 is an apocalyptic number.

It is an amenable number.

84270359816 is a deficient number, since it is larger than the sum of its proper divisors (73736564854).

84270359816 is a wasteful number, since it uses less digits than its factorization.

84270359816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10533794983 (or 10533794979 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 53.

The spelling of 84270359816 in words is "eighty-four billion, two hundred seventy million, three hundred fifty-nine thousand, eight hundred sixteen".