84179425 has 24 divisors (see below), whose sum is σ = 118831680. Its totient is φ = 58555200.

The previous prime is 84179399. The next prime is 84179429. The reversal of 84179425 is 52497148.

It is not a de Polignac number, because 84179425 - 2¹⁹ = 83655137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84179429) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 330 + ... + 12979.

It is an arithmetic number, because the mean of its divisors is an integer number (4951320).

Almost surely, 2^84179425 is an apocalyptic number.

It is an amenable number.

84179425 is a deficient number, since it is larger than the sum of its proper divisors (34652255).

84179425 is a wasteful number, since it uses less digits than its factorization.

84179425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13353 (or 13348 counting only the distinct ones).

The product of its digits is 80640, while the sum is 40.

The square root of 84179425 is about 9174.9346046716. The cubic root of 84179425 is about 438.2635157330.

The spelling of 84179425 in words is "eighty-four million, one hundred seventy-nine thousand, four hundred twenty-five".