84064767 has 4 divisors (see below), whose sum is σ = 112086360. Its totient is φ = 56043176.

The previous prime is 84064753. The next prime is 84064787. The reversal of 84064767 is 76746048.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 84064767 - 2⁴ = 84064751 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84064727) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14010792 + ... + 14010797.

It is an arithmetic number, because the mean of its divisors is an integer number (28021590).

Almost surely, 2^84064767 is an apocalyptic number.

84064767 is a deficient number, since it is larger than the sum of its proper divisors (28021593).

84064767 is a wasteful number, since it uses less digits than its factorization.

84064767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28021592.

The product of its (nonzero) digits is 225792, while the sum is 42.

The square root of 84064767 is about 9168.6840386175. The cubic root of 84064767 is about 438.0644439278.

The spelling of 84064767 in words is "eighty-four million, sixty-four thousand, seven hundred sixty-seven".