980188799 has 2 divisors, whose sum is σ = 980188800. Its totient is φ = 980188798.

The previous prime is 980188753. The next prime is 980188813. The reversal of 980188799 is 997881089.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 980188799 - 2⁸ = 980188543 is a prime.

It is a super-4 number, since 4×980188799⁴ (a number of 37 digits) contains 4444 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (980188709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 490094399 + 490094400.

It is an arithmetic number, because the mean of its divisors is an integer number (490094400).

Almost surely, 2^980188799 is an apocalyptic number.

980188799 is a deficient number, since it is larger than the sum of its proper divisors (1).

980188799 is an equidigital number, since it uses as much as digits as its factorization.

980188799 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2612736, while the sum is 59.

The square root of 980188799 is about 31307.9670211913. The cubic root of 980188799 is about 993.3521706286.

The spelling of 980188799 in words is "nine hundred eighty million, one hundred eighty-eight thousand, seven hundred ninety-nine".