84291118075 has 24 divisors (see below), whose sum is σ = 108607302656. Its totient is φ = 64825380000.

The previous prime is 84291118073. The next prime is 84291118081. The reversal of 84291118075 is 57081119248.

It is not a de Polignac number, because 84291118075 - 2¹ = 84291118073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84291118073) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 243117 + ... + 477166.

Almost surely, 2^84291118075 is an apocalyptic number.

84291118075 is a deficient number, since it is larger than the sum of its proper divisors (24316184581).

84291118075 is a wasteful number, since it uses less digits than its factorization.

84291118075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720475 (or 720470 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 46.

The spelling of 84291118075 in words is "eighty-four billion, two hundred ninety-one million, one hundred eighteen thousand, seventy-five".