84680953 has 4 divisors (see below), whose sum is σ = 96778240. Its totient is φ = 72583668.

The previous prime is 84680923. The next prime is 84680971. The reversal of 84680953 is 35908648.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 84680953 - 2⁹ = 84680441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84680923) 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 3 ways as a sum of consecutive naturals, for example, 6048633 + ... + 6048646.

It is an arithmetic number, because the mean of its divisors is an integer number (24194560).

Almost surely, 2^84680953 is an apocalyptic number.

It is an amenable number.

84680953 is a deficient number, since it is larger than the sum of its proper divisors (12097287).

84680953 is a wasteful number, since it uses less digits than its factorization.

It is an anagram of its base 11 representation: 84680953 = (43889065)₁₁.

84680953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12097286.

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 84680953 is about 9202.2254373602. The cubic root of 84680953 is about 439.1321616811.

The spelling of 84680953 in words is "eighty-four million, six hundred eighty thousand, nine hundred fifty-three".