84890705726 has 16 divisors (see below), whose sum is σ = 131977380480. Its totient is φ = 40919294880.

The previous prime is 84890705723. The next prime is 84890705729. The reversal of 84890705726 is 62750709848.

It is an interprime number because it is at equal distance from previous prime (84890705723) and next prime (84890705729).

It is a super-3 number, since 3×84890705726³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84890705723) 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, 5254190 + ... + 5270321.

It is an arithmetic number, because the mean of its divisors is an integer number (8248586280).

Almost surely, 2^84890705726 is an apocalyptic number.

84890705726 is a deficient number, since it is larger than the sum of its proper divisors (47086674754).

84890705726 is a wasteful number, since it uses less digits than its factorization.

84890705726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10524659.

The product of its (nonzero) digits is 6773760, while the sum is 56.

The spelling of 84890705726 in words is "eighty-four billion, eight hundred ninety million, seven hundred five thousand, seven hundred twenty-six".