84255626091 has 32 divisors (see below), whose sum is σ = 138430817280. Its totient is φ = 44389436544.

The previous prime is 84255626053. The next prime is 84255626099. The reversal of 84255626091 is 19062655248.

It is not a de Polignac number, because 84255626091 - 2¹³ = 84255617899 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 84255626091.

It is not an unprimeable number, because it can be changed into a prime (84255626099) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45121 + ... + 412973.

It is an arithmetic number, because the mean of its divisors is an integer number (4325963040).

Almost surely, 2^84255626091 is an apocalyptic number.

84255626091 is a deficient number, since it is larger than the sum of its proper divisors (54175191189).

84255626091 is a wasteful number, since it uses less digits than its factorization.

84255626091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368715.

The product of its (nonzero) digits is 1036800, while the sum is 48.

The spelling of 84255626091 in words is "eighty-four billion, two hundred fifty-five million, six hundred twenty-six thousand, ninety-one".