84970451 has 8 divisors (see below), whose sum is σ = 91523520. Its totient is φ = 78625512.

The previous prime is 84970447. The next prime is 84970453. The reversal of 84970451 is 15407948.

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 84970451 - 2² = 84970447 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84970453) 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, 51185 + ... + 52818.

It is an arithmetic number, because the mean of its divisors is an integer number (11440440).

Almost surely, 2^84970451 is an apocalyptic number.

84970451 is a deficient number, since it is larger than the sum of its proper divisors (6553069).

84970451 is a wasteful number, since it uses less digits than its factorization.

84970451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104065.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 84970451 is about 9217.9417984711. The cubic root of 84970451 is about 439.6320115382.

The spelling of 84970451 in words is "eighty-four million, nine hundred seventy thousand, four hundred fifty-one".