84270318361 has 4 divisors (see below), whose sum is σ = 84309644032. Its totient is φ = 84230992692.

The previous prime is 84270318343. The next prime is 84270318373. The reversal of 84270318361 is 16381307248.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 84270318361 - 2⁵ = 84270318329 is a prime.

It is a super-3 number, since 3×84270318361³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84270318311) 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 3 ways as a sum of consecutive naturals, for example, 19659621 + ... + 19663906.

It is an arithmetic number, because the mean of its divisors is an integer number (21077411008).

Almost surely, 2^84270318361 is an apocalyptic number.

It is an amenable number.

84270318361 is a deficient number, since it is larger than the sum of its proper divisors (39325671).

84270318361 is a wasteful number, since it uses less digits than its factorization.

84270318361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39325670.

The product of its (nonzero) digits is 193536, while the sum is 43.

The spelling of 84270318361 in words is "eighty-four billion, two hundred seventy million, three hundred eighteen thousand, three hundred sixty-one".