84925144399 has 2 divisors, whose sum is σ = 84925144400. Its totient is φ = 84925144398.

The previous prime is 84925144391. The next prime is 84925144483. The reversal of 84925144399 is 99344152948.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84925144399 - 2³ = 84925144391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84925144391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42462572199 + 42462572200.

It is an arithmetic number, because the mean of its divisors is an integer number (42462572200).

Almost surely, 2^84925144399 is an apocalyptic number.

84925144399 is a deficient number, since it is larger than the sum of its proper divisors (1).

84925144399 is an equidigital number, since it uses as much as digits as its factorization.

84925144399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11197440, while the sum is 58.

The spelling of 84925144399 in words is "eighty-four billion, nine hundred twenty-five million, one hundred forty-four thousand, three hundred ninety-nine".