84951659 has 4 divisors (see below), whose sum is σ = 91486416. Its totient is φ = 78416904.

The previous prime is 84951637. The next prime is 84951689. The reversal of 84951659 is 95615948.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84951659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84951689) 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, 3267359 + ... + 3267384.

It is an arithmetic number, because the mean of its divisors is an integer number (22871604).

Almost surely, 2^84951659 is an apocalyptic number.

84951659 is a deficient number, since it is larger than the sum of its proper divisors (6534757).

84951659 is a wasteful number, since it uses less digits than its factorization.

84951659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6534756.

The product of its digits is 388800, while the sum is 47.

The square root of 84951659 is about 9216.9224256256. The cubic root of 84951659 is about 439.5995995888.

The spelling of 84951659 in words is "eighty-four million, nine hundred fifty-one thousand, six hundred fifty-nine".