84925144394 has 32 divisors (see below), whose sum is σ = 130840427520. Its totient is φ = 41319420912.

The previous prime is 84925144391. The next prime is 84925144399. The reversal of 84925144394 is 49344152948.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (84925144391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32928197 + ... + 32930775.

It is an arithmetic number, because the mean of its divisors is an integer number (4088763360).

Almost surely, 2^84925144394 is an apocalyptic number.

84925144394 is a deficient number, since it is larger than the sum of its proper divisors (45915283126).

84925144394 is a wasteful number, since it uses less digits than its factorization.

84925144394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3914.

The product of its digits is 4976640, while the sum is 53.

The spelling of 84925144394 in words is "eighty-four billion, nine hundred twenty-five million, one hundred forty-four thousand, three hundred ninety-four".