84457967 has 8 divisors (see below), whose sum is σ = 92204112. Its totient is φ = 76723200.

The previous prime is 84457957. The next prime is 84457987. The reversal of 84457967 is 76975448.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 84457967 - 2⁴ = 84457951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84457957) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22703 + ... + 26159.

It is an arithmetic number, because the mean of its divisors is an integer number (11525514).

Almost surely, 2^84457967 is an apocalyptic number.

84457967 is a deficient number, since it is larger than the sum of its proper divisors (7746145).

84457967 is a wasteful number, since it uses less digits than its factorization.

84457967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5689.

The product of its digits is 1693440, while the sum is 50.

The square root of 84457967 is about 9190.1015772406. The cubic root of 84457967 is about 438.7463748101.

The spelling of 84457967 in words is "eighty-four million, four hundred fifty-seven thousand, nine hundred sixty-seven".