84925141447 has 2 divisors, whose sum is σ = 84925141448. Its totient is φ = 84925141446.

The previous prime is 84925141423. The next prime is 84925141459. The reversal of 84925141447 is 74414152948.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84925141447 - 2¹¹ = 84925139399 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 84925141447.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84925141487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42462570723 + 42462570724.

It is an arithmetic number, because the mean of its divisors is an integer number (42462570724).

Almost surely, 2^84925141447 is an apocalyptic number.

84925141447 is a deficient number, since it is larger than the sum of its proper divisors (1).

84925141447 is an equidigital number, since it uses as much as digits as its factorization.

84925141447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1290240, while the sum is 49.

The spelling of 84925141447 in words is "eighty-four billion, nine hundred twenty-five million, one hundred forty-one thousand, four hundred forty-seven".