84064651 has 4 divisors (see below), whose sum is σ = 91706904. Its totient is φ = 76422400.

The previous prime is 84064619. The next prime is 84064663. The reversal of 84064651 is 15646048.

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 84064651 - 2⁵ = 84064619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84064681) 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, 3821110 + ... + 3821131.

It is an arithmetic number, because the mean of its divisors is an integer number (22926726).

Almost surely, 2^84064651 is an apocalyptic number.

84064651 is a deficient number, since it is larger than the sum of its proper divisors (7642253).

84064651 is a wasteful number, since it uses less digits than its factorization.

84064651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7642252.

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 84064651 is about 9168.6777127348. The cubic root of 84064651 is about 438.0642424344.

The spelling of 84064651 in words is "eighty-four million, sixty-four thousand, six hundred fifty-one".