84591580763 has 4 divisors (see below), whose sum is σ = 89567556120. Its totient is φ = 79615605408.

The previous prime is 84591580751. The next prime is 84591580771. The reversal of 84591580763 is 36708519548.

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

It is a cyclic number.

It is not a de Polignac number, because 84591580763 - 2¹⁸ = 84591318619 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 84591580699 and 84591580708.

It is not an unprimeable number, because it can be changed into a prime (84591580783) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2487987653 + ... + 2487987686.

It is an arithmetic number, because the mean of its divisors is an integer number (22391889030).

Almost surely, 2^84591580763 is an apocalyptic number.

84591580763 is a deficient number, since it is larger than the sum of its proper divisors (4975975357).

84591580763 is a wasteful number, since it uses less digits than its factorization.

84591580763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4975975356.

The product of its (nonzero) digits is 7257600, while the sum is 56.

The spelling of 84591580763 in words is "eighty-four billion, five hundred ninety-one million, five hundred eighty thousand, seven hundred sixty-three".