84053457 has 24 divisors (see below), whose sum is σ = 133320096. Its totient is φ = 52736832.

The previous prime is 84053449. The next prime is 84053461. The reversal of 84053457 is 75435048.

It is not a de Polignac number, because 84053457 - 2³ = 84053449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84053407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6043 + ... + 14304.

It is an arithmetic number, because the mean of its divisors is an integer number (5555004).

Almost surely, 2^84053457 is an apocalyptic number.

It is an amenable number.

84053457 is a deficient number, since it is larger than the sum of its proper divisors (49266639).

84053457 is a wasteful number, since it uses less digits than its factorization.

84053457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20379 (or 20367 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 84053457 is about 9168.0672445178. The cubic root of 84053457 is about 438.0447974447.

The spelling of 84053457 in words is "eighty-four million, fifty-three thousand, four hundred fifty-seven".