80700553 has 2 divisors, whose sum is σ = 80700554. Its totient is φ = 80700552.

The previous prime is 80700523. The next prime is 80700593. The reversal of 80700553 is 35500708.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62141689 + 18558864 = 7883^2 + 4308^2 .

It is a cyclic number.

It is not a de Polignac number, because 80700553 - 2¹³ = 80692361 is a prime.

It is not a weakly prime, because it can be changed into another prime (80700523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40350276 + 40350277.

It is an arithmetic number, because the mean of its divisors is an integer number (40350277).

Almost surely, 2^80700553 is an apocalyptic number.

It is an amenable number.

80700553 is a deficient number, since it is larger than the sum of its proper divisors (1).

80700553 is an equidigital number, since it uses as much as digits as its factorization.

80700553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 80700553 is about 8983.3486518113. The cubic root of 80700553 is about 432.1410308430.

The spelling of 80700553 in words is "eighty million, seven hundred thousand, five hundred fifty-three".