84331000451 has 8 divisors (see below), whose sum is σ = 90044021760. Its totient is φ = 78788517192.

The previous prime is 84331000387. The next prime is 84331000493. The reversal of 84331000451 is 15400013348.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 84331000451 - 2⁶ = 84331000387 is a prime.

It is a super-2 number, since 2×84331000451² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84331003451) 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, 42633491 + ... + 42635468.

It is an arithmetic number, because the mean of its divisors is an integer number (11255502720).

Almost surely, 2^84331000451 is an apocalyptic number.

84331000451 is a deficient number, since it is larger than the sum of its proper divisors (5713021309).

84331000451 is a wasteful number, since it uses less digits than its factorization.

84331000451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85269025.

The product of its (nonzero) digits is 5760, while the sum is 29.

Adding to 84331000451 its reverse (15400013348), we get a palindrome (99731013799).

The spelling of 84331000451 in words is "eighty-four billion, three hundred thirty-one million, four hundred fifty-one", and thus it is an aban number.