84257373425 has 12 divisors (see below), whose sum is σ = 106249977840. Its totient is φ = 66263424720.

The previous prime is 84257373413. The next prime is 84257373427. The reversal of 84257373425 is 52437375248.

It is not a de Polignac number, because 84257373425 - 2²⁸ = 83988937969 is a prime.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (84257373427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28560347 + ... + 28563296.

It is an arithmetic number, because the mean of its divisors is an integer number (8854164820).

Almost surely, 2^84257373425 is an apocalyptic number.

It is an amenable number.

84257373425 is a deficient number, since it is larger than the sum of its proper divisors (21992604415).

84257373425 is a wasteful number, since it uses less digits than its factorization.

84257373425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57123712 (or 57123707 counting only the distinct ones).

The product of its digits is 5644800, while the sum is 50.

The spelling of 84257373425 in words is "eighty-four billion, two hundred fifty-seven million, three hundred seventy-three thousand, four hundred twenty-five".