84155035785275 has 24 divisors (see below), whose sum is σ = 128433531540384. Its totient is φ = 53267363308800.

The previous prime is 84155035785131. The next prime is 84155035785287. The reversal of 84155035785275 is 57258753055148.

It is not a de Polignac number, because 84155035785275 - 2³⁸ = 83880157878331 is a prime.

It is a Smith number, since the sum of its digits (65) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (65).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18495609986 + ... + 18495614535.

It is an arithmetic number, because the mean of its divisors is an integer number (5351397147516).

Almost surely, 2^{84155035785275} is an apocalyptic number.

84155035785275 is a deficient number, since it is larger than the sum of its proper divisors (44278495755109).

84155035785275 is a wasteful number, since it uses less digits than its factorization.

84155035785275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36991224551 (or 36991224546 counting only the distinct ones).

The product of its (nonzero) digits is 235200000, while the sum is 65.

The spelling of 84155035785275 in words is "eighty-four trillion, one hundred fifty-five billion, thirty-five million, seven hundred eighty-five thousand, two hundred seventy-five".