84265640725235 has 4 divisors (see below), whose sum is σ = 101118768870288. Its totient is φ = 67412512580184.

The previous prime is 84265640725187. The next prime is 84265640725309. The reversal of 84265640725235 is 53252704656248.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84265640725235 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8426564072519 + ... + 8426564072528.

It is an arithmetic number, because the mean of its divisors is an integer number (25279692217572).

Almost surely, 2^{84265640725235} is an apocalyptic number.

84265640725235 is a deficient number, since it is larger than the sum of its proper divisors (16853128145053).

84265640725235 is a wasteful number, since it uses less digits than its factorization.

84265640725235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16853128145052.

The product of its (nonzero) digits is 96768000, while the sum is 59.

The spelling of 84265640725235 in words is "eighty-four trillion, two hundred sixty-five billion, six hundred forty million, seven hundred twenty-five thousand, two hundred thirty-five".