84630451791 has 8 divisors (see below), whose sum is σ = 112947971584. Its totient is φ = 56366616600.

The previous prime is 84630451709. The next prime is 84630451813. The reversal of 84630451791 is 19715403648.

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

It is not a de Polignac number, because 84630451791 - 2⁷ = 84630451663 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 84630451791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84630451291) 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, 13417471 + ... + 13423776.

It is an arithmetic number, because the mean of its divisors is an integer number (14118496448).

Almost surely, 2^84630451791 is an apocalyptic number.

84630451791 is a deficient number, since it is larger than the sum of its proper divisors (28317519793).

84630451791 is a wasteful number, since it uses less digits than its factorization.

84630451791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26842301.

The product of its (nonzero) digits is 725760, while the sum is 48.

The spelling of 84630451791 in words is "eighty-four billion, six hundred thirty million, four hundred fifty-one thousand, seven hundred ninety-one".