84264236391 has 8 divisors (see below), whose sum is σ = 113346583920. Its totient is φ = 55679023232.

The previous prime is 84264236387. The next prime is 84264236393. The reversal of 84264236391 is 19363246248.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 84264236391 - 2² = 84264236387 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 84264236391.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84264236393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124283196 + ... + 124283873.

It is an arithmetic number, because the mean of its divisors is an integer number (14168322990).

Almost surely, 2^84264236391 is an apocalyptic number.

84264236391 is a deficient number, since it is larger than the sum of its proper divisors (29082347529).

84264236391 is a wasteful number, since it uses less digits than its factorization.

84264236391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248567185.

The product of its digits is 1492992, while the sum is 48.

The spelling of 84264236391 in words is "eighty-four billion, two hundred sixty-four million, two hundred thirty-six thousand, three hundred ninety-one".