84801623 has 2 divisors, whose sum is σ = 84801624. Its totient is φ = 84801622.

The previous prime is 84801599. The next prime is 84801631. The reversal of 84801623 is 32610848.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84801623 - 2¹⁸ = 84539479 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 84801623.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84801323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42400811 + 42400812.

It is an arithmetic number, because the mean of its divisors is an integer number (42400812).

Almost surely, 2^84801623 is an apocalyptic number.

84801623 is a deficient number, since it is larger than the sum of its proper divisors (1).

84801623 is an equidigital number, since it uses as much as digits as its factorization.

84801623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 84801623 is about 9208.7796694242. The cubic root of 84801623 is about 439.3406498388.

The spelling of 84801623 in words is "eighty-four million, eight hundred one thousand, six hundred twenty-three".